Michael Miller v. Lone Star HMA, L.P., and Mesquite HMA General, LLC ( 2018 )


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  • Affirmed and Opinion Filed August 21, 2018
    S    In The
    Court of Appeals
    Fifth District of Texas at Dallas
    No. 05-17-00954-CV
    MICHAEL MILLER, Appellant
    V.
    LONE STAR HMA, L.P. AND MESQUITE HMA GENERAL, LLC, Appellees
    On Appeal from the County Court at Law No. 4
    Dallas County, Texas
    Trial Court Cause No. CC-15-04020-D
    MEMORANDUM OPINION
    Before Justices Francis, Fillmore, and Whitehill
    Opinion by Justice Whitehill
    This is a medical malpractice case. Appellant Michael Miller sued appellees Lone Star
    HMA, L.P. and Mesquite HMA General, LLC for vicarious liability based on their nurse
    employees’ alleged negligence for not recording sufficient information in Miller’s medical charts,
    which in turn purportedly caused his treating physician to prematurely discharge him from the
    hospital. The trial court granted appellees’ motions to strike Miller’s causation expert and for no-
    evidence summary judgment attacking causation. Miller appeals.
    The pivotal question is whether Miller’s causation expert provided reliable testimony that
    not charting additional information regarding drainage from Miller’s surgical wound more likely
    than not was a proximate cause of Miller’s injuries. Miller’s causation expert opined that such
    was the case. However, there is no evidence of what the unrecorded drainage information would
    have been. Absent that evidence, it is a matter of speculation regarding whether that missing
    information would have affected the physician’s decision to discharge Miller.
    Based on this record, we conclude that the trial court did not err in striking the expert
    because his key causation testimony was conclusory, unsupported by facts in the record, and
    speculative. Because there was no other causation evidence, we affirm the summary judgment.
    I. BACKGROUND
    A.     Factual Allegations
    Miller alleged the following facts:
    On August 13, 2013, Miller went to Dallas Regional Medical Center with abdominal pain.
    A CT scan indicated a gallbladder problem, and the next day Dr. George M. Hariz performed
    surgery on him. During the surgery, Hariz caused a hole or wound in Miller’s duodenum, and he
    placed a “#10 Jackson-Pratt drain” in that wound.
    On August 16, Miller was discharged from the hospital even though the drain was draining
    “greenish” fluid.
    Miller had a follow-up visit with Hariz scheduled for August 23, but he went to see Hariz
    on August 21 because he was feeling unwell and feverish. Hariz treated Miller and told him to
    return on August 23.
    But Miller instead went to the Dallas Regional Medical Center emergency room on August
    22 because he was vomiting greenish fluid. Dissatisfied with the care he received there, he went
    to another hospital where he underwent emergency surgery that day and another surgery the next
    day. He stayed in the hospital almost a month before being discharged.
    –2–
    B.     Procedural History
    Miller sued Hariz, appellees, and one other defendant that he later nonsuited. He alleged
    that Hariz injured him by negligently (i) performing the August 14 surgery, (ii) prematurely
    discharging Miller on August 16, and (iii) assessing Miller’s condition during the August 21 visit.
    He also alleged that appellees’ nurse employees caused his injuries by negligently failing
    to “monitor, treat, observe, chart, document, report, and care for Miller during the surgery and
    post-operative period.”
    Several months into the case, Miller settled with Hariz, and the trial court severed out
    Miller’s claims against him.
    Appellees later moved to strike the testimony of Miller’s expert witness, Dr. Brian Harkins.
    A few days later, appellees filed a no-evidence summary judgment motion attacking causation.
    Miller filed a combined response to appellees’ motions. His summary judgment evidence
    included an excerpt from Harkins’s deposition.
    The trial judge signed orders striking Harkins’s testimony and granting summary judgment
    for appellees.
    Miller timely moved for reconsideration, arguing that the trial court erred by striking
    Harkins’s testimony and granting summary judgment. The trial court denied the motion.
    Miller timely appealed.
    II. STANDARD OF REVIEW
    Miller argues in two issues that the trial court erred by (i) striking Harkins’s causation
    testimony and (ii) granting summary judgment.
    We review a trial court’s decision excluding expert testimony for abuse of discretion. See
    E.I. du Pont de Nemours & Co., Inc. v. Robinson, 
    923 S.W.3d 549
    , 558 (Tex. 1995).
    –3–
    We review a summary judgment de novo. Merriman v. XTO Energy, Inc., 
    407 S.W.3d 244
    , 248 (Tex. 2013). A no-evidence summary judgment is reviewed under the same legal
    sufficiency standard as a directed verdict. 
    Id. We consider
    the evidence in the light most favorable
    to the nonmovant, crediting evidence a reasonable jury could credit and disregarding contrary
    evidence and inferences unless a reasonable jury could not. 
    Id. The nonmovant
    bears the burden
    of producing summary judgment evidence sufficient to raise a genuine issue of material fact as to
    each challenged element. 
    Id. III. ANALYSIS
    A.     Issue One: Did the trial court err by striking Miller’s causation expert?
    Miller’s first issue argues that the trial court abused its discretion by striking Miller’s
    causation expert concerning the nurses who cared for Miller at Dallas Regional Medical Center
    from August 14 to August 16, 2013. We conclude that the trial court did not so err, because his
    opinions are not factually supported in the record and are thus speculative and conclusory.
    1.      Appellees’ Objections and the Evidentiary Record
    We first identify the grounds appellees urged in their motion to strike Harkins’s causation
    testimony:
    •       The testimony was conclusory.
    •       The testimony was unreliable because it lacked any factual basis or was
    based on incorrect facts.
    •       The testimony was speculative because it was based on mere possibilities.
    Both sides relied on excerpts from Harkins’s and Hariz’s depositions, Miller’s medical
    records, and other evidence.
    –4–
    2.     Applicable Law
    a.      Causation
    The supreme court recently addressed causation standards in medical malpractice cases
    thusly:
    Recovery in a medical-malpractice case requires proof to a reasonable medical
    probability that the injuries complained of were proximately caused by the
    negligence of a defendant. Columbia Rio Grande Healthcare, L.P. v. Hawley, 
    284 S.W.3d 851
    , 860 (Tex. 2009). Proximate cause includes two components, cause-
    in-fact and foreseeability. 
    Id. Proof that
    negligence was a cause-in-fact of the
    injury requires proof that (1) the negligence was a substantial factor in causing the
    injury, and (2) without the act or omission, the harm would not have occurred. 
    Id. Thus, to
    satisfy a legal sufficiency review in such cases, plaintiffs must “adduce
    evidence of a ‘reasonable medical probability’ or ‘reasonable probability’ that their
    injuries were caused by the negligence of one or more defendants, meaning simply
    that it is ‘more likely than not’ that the ultimate harm or condition resulted from
    such negligence.” 
    Bustamante, 529 S.W.3d at 456
    (quoting Jelinek v. Casas, 
    328 S.W.3d 526
    , 532–33 (Tex. 2010)). In medical-malpractice cases, the general rule
    is that “expert testimony is necessary to establish causation as to medical conditions
    outside the common knowledge and experience of jurors.” 
    Jelinek, 328 S.W.3d at 533
    .
    Gunn v. McCoy, No. 16-0125, 
    2018 WL 2994534
    , at *5 (Tex. June 15, 2018).
    According to this definition, the cause in fact element has two components: One, is that
    the act or omission at issue was a substantial factor in causing the claimant’s injury; and two, is
    that the injury would not have happened without that act or omission. See Rogers v. Zanetti, 
    518 S.W.3d 394
    , 402–03 (Tex. 2017). Stated differently, the cause in fact standard “almost always”
    requires not only that the act or omission must be a but-for cause of the injury or occurrence but
    also that it must be a substantial factor in causing the injury. 
    Id. at 403
    (quoting David W.
    Robertson, The Common Sense of Cause in Fact, 75 TEX. L. REV. 1765, 1776 (1997)) (internal
    quotations and citations omitted). “There may be more than one proximate cause of an injury.”
    Bustamante v. Ponte, 
    529 S.W.3d 447
    , 457 (Tex. 2017).
    However, in most cases, “‘[c]ause in fact is essentially but-for causation.’” 
    Rogers, 518 S.W.3d at 403
    (quoting Ryder Integrated Logistics, Inc. v. Fayette Cty., 
    453 S.W.3d 922
    , 929 (Tex.
    –5–
    2015) (per curiam)). That is, in most cases the fact that the negligent act was a substantial factor
    in causing the claimant’s injury is easy to see, and the substantial factor component is rarely
    discussed.
    But the substantial factor component gains more attention in
    a limited category of cases in which two causes concur to bring about an event, and
    either cause, operating alone, would have brought about the event absent the other
    cause.
    
    Id. (internal quotations
    and citations omitted). Thus, in those rare situations where multiple acts,
    any one of which would have been an injury’s but-for cause, combine in causing an injury the
    supreme court applies what it calls a “substantial factor test.” See 
    Bustamante, 529 S.W.3d at 457
    –
    59.
    According to Miller, Hariz and appellees all contributed to Miller’s injury. Relying on
    Bustamante, Miller further argues that the Texas Supreme Court applies the less stringent
    substantial factor test whenever more than one tortfeasor contributed to the plaintiff's injury. From
    there, Miller asserts that he need not have shown that appellees’ negligence standing alone was a
    but-for cause of his injuries. Miller is correct to the extent he contends that appellees’ negligence
    need not have been the sole cause in fact of his injuries. But, as discussed below, on the facts
    shown in this record he is incorrect to the extent he suggests that he did not have to show a causal
    connection between appellees’ alleged negligence and his injuries.
    Appellees, citing Rogers, argue that Bustamante means that a substantial factor test applies
    in only a limited category of cases involving concurrent causation. According to appellees,
    applying a substantial factor test was proper in Bustamante because the two physician defendants
    in that case were jointly responsible for screening, diagnosing, and treating the patient and either
    physician’s negligence alone would have caused the child’s injury. Appellees liken Bustamante
    –6–
    to the classic example where two noisy motorcycle riders simultaneously spook a horse that then
    injures its rider. See 
    Robertson, supra, at 1777
    .
    The common theme in appellees’ analysis is that in both instances (Bustamante and the
    noisy motorcycles) multiple actors contemporaneously engaged in the same conduct and there is
    evidence from which the factfinder could conclude that each actor’s conduct standing alone would
    have caused the plaintiff’s injury had the other actor not been involved. Appellees continue that
    it would not be proper in that context to apply a strict but-for causation rule whereby the plaintiff
    ordinarily must prove that the injury would not have happened without that specific defendant’s
    negligence.
    Appellees, however, argue that the present case differs from Bustamante and the noisy
    motorcyclist example because the patient charting and discharge decisions here were linear in
    relationship to each other—not concurrent. Thus, appellees argue that Miller had to prove that
    more frequent nursing assessments or better charting would more likely than not have changed
    Hariz’s treatment and Miller’s outcome. Stated differently, appellees argue that appellees’ alleged
    charting deficiencies could not have been a substantial factor in causing Miller’s injuries unless
    those deficiencies affected Hariz’s treatment decisions. We agree that it was incumbent on Miller
    to show that appellees’ alleged negligence more likely than not was a but-for cause of his injuries.
    Finally, because the medical issues involved in this case are outside common knowledge,
    Miller had to adduce admissible expert testimony of causation in response to appellees’ no-
    evidence summary judgment motion. See 
    Jelinek, 328 S.W.3d at 533
    . Furthermore, in deciding
    whether expert opinion evidence satisfies the reasonable medical probability standard, we must
    consider the substance and context of the expert’s opinion rather than the use of any particular
    words. See Stodghill v. Tex. Emp’rs Ins. Ass’n, 
    582 S.W.2d 102
    , 105 (Tex. 1979) (“The medical
    –7–
    expert need not use the exact magic words ‘reasonable medical probability,’ but the testimony is
    sufficient if the circumstances show that this is the substance of what the expert is saying.”).
    b.      Expert Testimony
    Expert testimony must meet several requirements to be admissible. Two requirements are
    particularly relevant here.
    First, the testimony cannot be conclusory:
    It is not enough for an expert simply to opine that the defendant’s negligence caused
    the plaintiff’s injury. The expert must also, to a reasonable degree of medical
    probability, explain how and why the negligence caused the injury.
    
    Jelinek, 328 S.W.3d at 536
    . Said another way, the expert must state a demonstrable and reasoned
    basis on which the opinion can be evaluated. Starwood Mgmt., LLC ex rel. Gonzalez v. Swaim,
    
    530 S.W.3d 673
    , 679 (Tex. 2017) (per curiam). If no basis for the opinion is offered, or the offered
    basis provides no support, the opinion is a mere conclusion and cannot be considered probative
    evidence, even if there is no objection. Gunn, 
    2018 WL 2994534
    , at *8.
    Second, the expert’s testimony must not suffer from an analytical gap that renders it
    unreliable. See Gharda USA, Inc. v. Control Sols., Inc., 
    464 S.W.3d 338
    , 349 (Tex. 2015).
    Analytical gaps can arise in various ways, such as when (i) the expert unreliably applies otherwise
    sound principles and methodologies, (ii) the expert’s opinion is based on assumed facts that vary
    materially from the facts in the record, and (iii) the expert’s opinion is based on tests or data that
    do not support the conclusions reached. 
    Id. Moreover, “if
    the record contains no evidence
    supporting an expert’s material factual assumptions, or if such assumptions are contrary to
    conclusively proven facts, opinion testimony founded on those assumptions is not competent
    evidence.” Gunn, 
    2018 WL 2994534
    , at *9.
    –8–
    3.      The Evidence
    Next we summarize the record evidence—first the evidence of the historical facts on which
    Harkins based his opinions and then Harkins’s testimony itself.
    a.      The Medical Records in General
    There are five categories of medical records relevant to this appeal.
    First, there are notes that the nurse makes during his or her shift. Nurse’s notes include
    information about the patient’s fluid intakes and outputs during the shift. At shift’s end, the nurse
    summarizes this information and gives those summaries to a tech. The tech in turn records that
    data on Intake & Output Summary Reports (I&Os). The nurses destroy their notes each day after
    they are finished with them. Thus, these documents were not available for use in this case.
    Second, there are the I&Os. These reports summarize in tabular format the fluid volumes
    by category (such as “JP Drain”) that the patient takes in and puts out during a given day.
    Furthermore, the table for each given day shows the respective volumes during that day’s day shift
    and night shift. A day shift for day-one begins at 7:00 a.m. that morning and ends at 7:00 p.m.
    that same day. The day-one night shift begins at 7:00 p.m. that same day and ends at 7:00 a.m. on
    day-two. The I&O then totals the shift amounts to reflect the total intakes and outputs for both
    shifts. Once the tech records the data on the I&Os, the reports are printed and maintained at the
    nurses’ station with the patient’s other charts. The I&Os are printed at five in the morning
    following the day’s data shown on that report. Thus, the I&O displaying the day-one morning
    shift and day-one night shift data is printed at 5:00 a.m. on day-two. Because 5:00 a.m. on day-
    two is two hours before the day-one night shift ends, there appears to be a two-hour gap between
    the print-time and the end of the day-one night shift. The record does not explain what happens to
    the data related to that two-hour period. The I&O reports do not describe, as relevant here, the JP
    Drain fluid’s color or consistency.
    –9–
    Third, there are 24 Hour Nursing Flow Records. These records include printed forms on
    which nurses record various pieces of patient information and make handwritten notes regarding
    their observations and interactions with the patient during their shift. These notes may include
    vital signs; fluid volumes, colors, and characteristics; and other information relevant to that patient.
    Like the I&Os, these reports are maintained at the nurses’ station with the patient’s charts.
    Because the I&Os and Nursing Flows are maintained at the nurses’ station with the
    patient’s medical charts, the information in these reports is available for physicians (like Hariz) to
    review when visiting with patients or making treatment decisions.
    The fourth category is Hariz’s Physician Progress Notes for August 15th and 16th.
    The fifth category is appellees’ Discharge Instructions.
    b.         Miller’s Nursing Flows
    Harkins’s testimony against the nurses focused on their documentation about the drainage
    after Miller’s August 14 surgery, so we focus on the medical records on that subject.
    First, we review the August 14, 15, and 16 Nursing Flows. The notes for August 14, the
    surgery date, do not say how much drainage Miller had that day.
    At 0200 on August 15, there is a note that says, “Empty JP [illegible] twice. Drainage
    color is” either “reddish” or “red noted.”1 At 0510 that day, a note says, “JP [illegible] empty at
    this time.”
    The next note on August 15 says, “JP drain in place [with] greenish output.” The time
    notation for this entry is “073,” which a nurse testified meant 0730, or 7:30 a.m.
    Finally, there is an entry at 2230 that says both “Leaking noted from the JP site” and
    “emptied 80 ml bile colored drainage.”
    1
    This note is difficult to read. One of Miller’s nurses, Mary Rollins, thought it said “Drainage color is reddish.” Harkins thought it said “red
    noted” instead of “reddish.”
    –10–
    The August 16 Nursing Flow has an entry for 0730 that says, “JP drain greenish color.” At
    0900 is a note that Hariz saw Miller. At 1600 is an entry that says, “JP out 250,” which meant
    (according to a nurse’s deposition testimony) that the total output for the day was 250 ml.
    c.     Miller’s I&Os
    Next, the record contains three, one-page I&Os that show drainage volumes. The first,
    based on its header which reads “08/15/2013 05:05,” shows 80 ml of drainage from the JP drain
    during the August 15 night shift:
    A nurse testified that drainage occurring from midnight to 7 a.m. was recorded on these forms as
    being during the night shift starting the previous day, which suggests that the 80 ml drainage noted
    for the August 15 night shift occurred during the night of August 15–16. But the header at the top
    of this I&O (“08/15/2013 05:05”) indicates that this record was generated the morning of August
    15 —before the August 15 night shift started. We find no record explanation for the discrepancy.
    The next I&O has the header “08/15/2013 17:05” and has the same entries as depicted
    above.
    –11–
    Finally, the third I&O has the header “08/16/2013 05:05,” and it has an additional figure,
    150, listed for JP drainage during the August 15 day shift:
    So, based on the time and date headers, the documents reflect that the new “150” entry for the
    August 15 day shift was apparently added between 5:05 p.m. on August 15 and 5:05 a.m. on
    August 16. Appellees’ corporate representative testified without contradiction that the 150 ml day
    shift drainage occurred before the 80 ml night shift drainage.
    d.     Hariz’s Physician Progress Notes
    The record also contains Hariz’s handwritten notes. Those notes include (i) an entry for
    10:00 on August 15 stating that, “JP: bile o odor” and “moderate” and (ii) an entry for 10:00 on
    August 16 that appears to say “drainage ↓”. This note would have followed the I&O with the
    header “08/16/2013 05:05” and Hariz’s visit between 9:00 and 10:00 later that morning.
    e.     Documents Summary
    Based on the above and related testimony in the record, as concerns the motion to strike
    Harkins as an expert, the trial court could have reasonably concluded from appellees’ records that:
    –12–
    (i) Miller drained 150 ml of green bile from the JP Drain during the August 15 day shift;
    (ii) Miller drained 80 ml of green bile from the JP Drain during the August 15 night shift;
    (iii) this information regarding drainage on August 15 was in Miller’s medical charts at the
    nurses station when Hariz saw Miller between 9:00 and 10:00 a.m. on August 16, which was the
    day Miller was discharged;
    (iv) as of 10:00 a.m. on the 16th, the records indicated that the bile draining from Miller’s
    JP Drain decreased from 150 ml during the August 15 day shift to 80 ml during the August 15
    night shift. That decrease is consistent with Hariz’s down-arrow on his Physician’s Progress Notes
    for the 16th.
    f.      Hariz’s Deposition
    Hariz testified that it would cause concern if bile was still draining after a few days and it
    was excessive. He also said that he, as a doctor, relies on nurses to chart “the amount and the color
    every time they empty the drain.”
    Later in his deposition, he also said (objection omitted):
    Q      In talking about the nursing notes documentation, you said you would have
    liked to have seen more frequent documentation of the volume of the JP
    drain; is that right?
    A      I did say that, yes.
    Q      Looking back on everything we know about the case, everything we know
    about what happened to Mr. Miller, is there any reason to think that more
    frequent recordings of the volume of the drainage would have changed your
    decision whether or not to discharge this patient when you did?
    A      I don’t think it would have changed my opinion about the discharge. He
    was ready at that time.
    Hariz was asked where he got the information that led him to note the morning of August
    16 that the drainage was decreasing. He did not recall where he got that information, but he said
    that it could have been based on the records or on his conversations with Miller, his family, or the
    nurse.
    –13–
    g.       Harkins’s Deposition
    Harkins testified about Hariz’s negligence. According to Harkins, Hariz (i) negligently
    injured Miller’s duodenum and cystic duct during the surgery, (ii) negligently discharged Miller
    on August 16 despite having information that dictated further observation and testing, and (iii)
    negligently failed to have Miller hospitalized when he saw Miller on August 21. Furthermore, had
    Hariz treated Miller appropriately, Miller would have avoided his injuries to a reasonable degree
    of medical certainty.
    But Harkins’s causation testimony against the nurses was equivocal. He began with the
    following, which was attached to appellee’s motion to strike but not Miller’s summary judgment
    response:
    Q       Is it your opinion in this case that Dr. Hariz was delayed in acting or made
    erroneous decisions about Mr. Miller because of any deficiencies of the
    charting?
    A       Well, it’s hard to say with certainty, but I think that’s certainly possible.
    There may have been charting information that would have swayed him to
    do things differently than what he did do, which was delayed in diagnosis.
    ...
    A       It is possible that better charting would have resulted in a better outcome,
    yes.
    (Emphases added.) When asked what missing information would have influenced Hariz’s
    decision making, Harkins answered (i) quantification of the drainage output and (ii) the wound
    and whether it was leaking outside the drain.
    Harkins, however, could not or did not say (i) what actual, specific additional information
    would have been in the charts at 10:00 a.m. on the 16th had appellees done a better job with their
    charting; (ii) how that additional, unknown information would have differed from what was in the
    charts at that time; or (iii) that Hariz would have seen any additional information recorded in the
    charts after his visit that morning.
    –14–
    Although the August 16 Nursing Flow notes at 1600 show 250 ml of drainage as of that
    time, the record does not show when on the 16th that drainage occurred.
    Later, in another excerpt attached only to appellees’ motion to strike, Harkins testified that
    (objections omitted):
    A       I think the overall lack of documentation, lack of communication of what
    was going on when you look at this from a natural progression of a disease
    standpoint, is what caused harm. . . .
    ....
    Q       Can you say to a reasonable degree of medical certainty that any of that
    information that you just discussed would have changed Dr. Hariz’s
    decision-making in this case?
    A       Yeah. So I don’t know what his—what his threshold would have been,
    but I can say it would have given him the opportunity to change his
    decisions.
    Q       But can you say to a reasonable degree of medical certainty that any of that
    information would have changed Dr. Hariz’s decision-making in this case?
    A       So I want to be accurate. So I think, in retrospect, knowing what actually
    happened, I can say that there—likely. The things that were probably
    going to come out of that would have probably changed his decision-
    making, with a fair degree of certainty.
    Q       . . . What, in your opinion, would have come out had the nurses assessed
    Mr. Miller more frequently that you think likely would have changed Dr.
    Hariz’s decision-making?
    A       It could have been any of the—any of the different things that we’ve been
    talking about, whether it’s about what—the actual drainage, where it’s
    coming from, what it is, what his temperature curve is in more detail, what
    his heart-rate curve is in more detail, what his pain tolerance—which we
    haven’t really talked about much. All the things—how he is clinically doing
    in more detail.
    Q       But you don’t know how those details would have changed the information
    that’s already in the record; isn’t that true?
    A       In the sense—no, I can’t predict what would have happened. But as a
    standard of what would have—what should have been going on, I think that
    would potentially have given him more information to be able to make a
    better decision than he did.
    –15–
    Q       But you don’t know what that information would have revealed, correct?
    A       I don’t.
    (Emphases added.) In this passage, Harkins testified that better charting by the nurses probably
    would have included information that probably would have changed Hariz’s decisions. But then
    he said that (i) he didn’t know what the additional information would have been and (ii) better
    charting would have “potentially” given Hariz “more information to be able to make a better
    decision than he did.”
    Miller’s lawyer later elicited the following testimony from Harkins, which was attached to
    Miller’s summary judgment response:
    Q       Just so we’re clear on the record, Dr. Harkins, is it your expert opinion in
    this case the fact that Dallas Regional Medical Center and its nurses failed
    to document adequately or accurately the volume drainage output, along
    with the consistency drainage output of the drain, along with, as you noted,
    that there’s -- not sure if there’s a follow-up with regard to the JP site
    drainage, as well as the possible drainage occurring from the wound, taking
    all that, the totality of the circumstances and the facts, is it your opinion,
    more likely than not, based on reasonable medical probability, that those
    actions or inactions by Dallas Regional Medical Center were a proximate
    cause of the injuries of Mr. Miller?
    A       Yes.
    (Emphasis added.)
    Finally, in excerpts attached only to appellees’ motion to strike, Harkins said this
    (objections omitted):
    A       I think the character, the volume, the way the drainage was going through
    his patient care should have been better understood, because that could have
    given [Hariz] better information to make a decision about how to care for
    the guy and maybe not discharged him.
    ....
    Q       If Dr. Hariz was aware that the output for August 16th was 250, do you
    know what difference that would have made in Dr. Hariz’s treatment of the
    patient?
    –16–
    A      Well, since he appeared not to, given he recorded [the drainage] as going
    down, I don’t know what his difference would have been. But he would
    have the opportunity if he knew it was increasing or staying the same to
    maybe come to a different conclusion of what to do.
    Q      But a reasonably prudent doctor, you think would have done something on
    the 15th, right?
    A      I do.
    Q      And so can you say with a reasonable degree of medical probability, that
    Hariz would have done something on the 16th had he only known that the
    volume output was 250?
    A.     Yes. I would hope so if he knew it was different. If it was increasing, or if
    there was more information that showed that it wasn’t what he thought was
    going on, was not decreasing.
    Q      What makes you think that he would have reacted to that information when
    he didn’t react to the original volume of 230 that you found concerning?
    A      You know, I don’t have anything other than at some point, the appropriate
    medical management would have come into play, I hope, for a surgeon.
    Q      But you don’t know when that point would have been, right?
    A      I do not.
    (Emphases added.)
    As just shown, Harkins’s testimony attached to Miller’s summary judgment response
    includes only one causation answer in terms of reasonable medical probability:
    Q      Just so we’re clear on the record, Dr. Harkins, is it your expert opinion in
    this case the fact that Dallas Regional Medical Center and its nurses failed
    to document adequately or accurately the volume drainage output, along
    with the consistency drainage output of the drain, along with, as you noted,
    that there’s -- not sure if there’s a follow-up with regard to the JP site
    drainage, as well as the possible drainage occurring from the wound, taking
    all that, the totality of the circumstances and the facts, is it your opinion,
    more likely than not, based on reasonable medical probability, that those
    actions or inactions by Dallas Regional Medical Center were a proximate
    cause of the injuries of Mr. Miller?
    A      Yes.
    (Emphasis added.)
    –17–
    No other Harkins testimony attached to Miller’s response purports to establish causation
    by a reasonable medical probability, so the foregoing question and answer is the only part of
    Harkins’s testimony that could possibly raise a genuine fact issue as to causation. Accordingly,
    Miller’s first issue narrows to whether the trial court abused its discretion by striking this specific
    testimony—either because it was predicated on unsupported or disproved facts or because it was
    conclusory.
    4.      Was Harkins’s causation opinion about drainage volumes conclusory,
    speculative, or based on assumed facts not in the record?
    Appellees moved to strike Harkins’s causation opinion because
    1.      Harkins linked causation to the nurses’ failure to properly document the
    drainage’s consistency, but there is no evidence that the consistency
    changed between Hariz’s August 15 examination of the drainage and
    Miller’s discharge on August 16;
    2.      Harkins linked causation to the nurses’ failure to properly document the
    drainage volumes, but (i) there is no evidence that more documentation
    would have changed Hariz’s decisions and (ii) Hariz’s testimony establishes
    that more documentation would not have changed his decisions; and
    3.      To the extent Harkins based his causation opinion on alleged drainage from
    the edges of Miller’s wound, (i) that opinion should be struck as not timely
    disclosed in discovery, (ii) the opinion was based on a misreading of a note
    in Miller’s chart, and (iii) there is no evidence that Hariz ever saw the note
    in question.
    At the outset, we note that Miller does not on appeal challenge appellees’ objections
    summarized in points 1 and 3 above.
    As to point 1, Miller does not argue that there is any evidence that the drainage’s
    consistency changed after Hariz examined Miller the morning of August 15. And Harkins
    admitted he didn’t know whether the consistency changed between 10:00 a.m. on August 15 and
    Miller’s discharge on August 16.
    –18–
    Similarly, Miller’s appellate briefs do not address point 3, and his reply brief omits the
    reference to “the possible drainage occurring from the wound” when it quotes the question leading
    to Harkins’s causation opinion.
    Instead, Miller addresses only point 2, arguing that the record supports assumptions that
    more documentation about drainage volumes would have changed Hariz’s decision to discharge
    Miller. We therefore limit our analysis to the drainage volume aspect of Harkins’s causation
    opinion. See State Bar of Tex. v. Evans, 
    774 S.W.2d 656
    , 658 n.5 (Tex. 1989) (per curiam)
    (appellate court erred by reversing judgment based on arguments appellant did not raise).
    Assuming there was some evidence to support the assumption that Hariz might have made
    different treatment decisions had he been given different drainage volume information, that
    possibility does not resolve the pivotal question of whether Harkins gave any non-conclusory and
    non-speculative testimony that in reasonable medical probability different drainage volume
    charting would have resulted in a different decision. The question is whether Harkins explained
    based on evidence in the record how and why better documentation about drainage volumes would
    probably have prevented Miller’s injuries, thereby stating a demonstrable and reasoned basis for
    evaluating the opinion. See Starwood 
    Mgmt., 530 S.W.3d at 679
    . We hold that he did not do so.
    Harkins’s theory was that better drainage volume documentation would have caused Hariz
    to make better treatment decisions. To give a factfinder a demonstrable and reasoned basis for
    evaluating this opinion, Harkins needed to explain (i) what facts better documentation probably
    would have revealed and (ii) how and why those additional facts probably would have changed
    Hariz’s decision making. Harkins did not do so.
    By the time Hariz saw Miller the morning of August 16, the I&O showed that Miller’s
    drainage volume was 150 ml during the August 15 day shift and 80 ml during the August 15 night
    shift. Harkins did not opine that these notes were wrong or that any drainage volumes had been
    –19–
    omitted. Although he said that charting additional information “would have probably changed
    [Hariz’s] decision-making, with a fair degree of certainty,” he acknowledged that he didn’t know
    what that information would have revealed. And he didn’t explain why this unknown additional
    information would have changed Hariz’s decision making.                                          Harkins’s testimony was both
    conclusory and speculative. See Nat. Gas Pipeline Co. of Am. v. Justiss, 
    397 S.W.3d 150
    , 156
    (Tex. 2012) (“[T]estimony is speculative if it is based on guesswork or conjecture.”) (footnote
    omitted).
    As for August 16, Harkins suggested that the nurses’ negligent charting of drainage
    volumes affected Hariz’s decisions because (i) that morning Hariz noted that Miller’s drainage
    was decreasing but (ii) the nurses documented 250 ml of drainage for the day. But the evidence
    showed that Hariz saw Miller at 9:00 or 10:00 that morning2 and the 250 ml notation was later
    made at 4:00 p.m. to include the drainage for the whole day.
    Again, Harkins did not say that this information was incorrect. He did not say when, in his
    opinion, any of the August 16 drainage occurred, so he offered no basis for determining how much
    of it occurred before Hariz saw Miller that morning. And he did not explain how charting drainage
    volumes more frequently over the course of the day would have affected Hariz’s decisions—
    particularly given that Hariz apparently saw Miller at 9:00 or 10:00 that morning. Without this
    information, a factfinder could not reasonably evaluate Harkins’s causation opinion.
    Finally, Harkins consistently explained his causation opinion only in vague generalities.
    He said that “the overall lack of documentation, lack of communication . . . is what caused harm.”
    He also said that “[t]he things that were probably going to come out of that [i.e., better
    documentation] would probably have changed [Hariz’s] decision-making, with a fair degree of
    certainty.” And he said, “I think the character, the volume, the way the drainage was going through
    2
    The Nursing Flow for August 16 has a 9:00 note saying that Hariz saw the patient. Hariz’s note about seeing Miller started “8/16/13 1000.”
    –20–
    his patient care should have been better understood, because that could have given [Hariz] better
    information to make a decision about how to care for the guy and maybe not discharged him.”
    These generalities do not enable a factfinder to reasonably evaluate Harkins’s causation opinion.
    See Volkswagen of Am., Inc. v. Ramirez, 
    159 S.W.3d 897
    , 905–06 (Tex. 2004) (expert’s general
    reliance on “basic scientific and some engineering principles” and “the laws of physics” were
    insufficient explanations for his opinion).
    5.      Conclusion
    We hold that Harkins’s opinion that, based on reasonable medical probability, negligent
    charting of Miller’s drainage volumes caused his injuries was conclusory, speculative, and not
    based on record facts. Accordingly, the trial court did not err by striking it. We therefore overrule
    Miller’s first issue.
    B.      Issue Two: Did the trial court err by granting summary judgment against Miller?
    Miller’s second issue argues that the summary judgment was erroneous even if the trial
    court did not err by striking Harkins’s testimony. Specifically, he argues that Hariz’s testimony
    alone provides sufficient evidence that the nurses’ negligent charting caused Miller’s injuries. We
    disagree.
    Miller contends that Hariz testified that he “actually relied on the erroneous medical
    records created by the Hospital in making his decision to discharge Miller.” But his record
    references do not support his argument. Miller quotes Hariz’s testimony as follows:
    Q.      Would you want to know if there’s still bile coming out—
    A.      The surgeon wants to know everything, but there’s a limit to what you are
    asking. For example, yes, is it—would I like to know if it is green or does
    it smell? Yes, I would like to know if it’s green or does it smell. I would
    like to know the volume, yes.
    Q.      Okay. And that was my point. You want to know the volume and the color,
    correct?
    A.      Yes.
    –21–
    ....
    Q.     Okay. Would you expect the nurses to denote that the drainage had
    decreased during his hospital stay?
    A.     They would.
    Q.     And that would assist you in making a diagnosis in discharging the patient,
    correct?
    A.     Yes.
    But this passage does not identify any errors in the nurses’ documentation about Miller, nor does
    Hariz say that any particular change in the documentation would have changed his decision to
    discharge Miller. This passage is no evidence of causation.
    Miller also argues that Hariz believed, based on the hospital’s erroneous records, that the
    drainage was going down when it was actually going up in the hours leading up to discharge. But
    Miller cites no evidence that Hariz based his August 16 note that drainage was decreasing on the
    hospital’s records, much less on any errors in them. Hariz said he didn’t remember where he got
    the information for his August 16 note that drainage was decreasing, but it could have come from
    medical records or conversations with a nurse, Miller, or family members.
    Indeed, the medical records available to Hariz at 10:00 on August 16th showed that the
    drainage volume was decreasing. Specifically, the I&O indicated that there was 150 ml of drainage
    during the day on August 15, and then 80 ml of drainage during the August 15 night shift.
    Later on August 16, at 4:00 p.m., the nurses’ notes show a total drainage of 250 ml at that
    time. But Miller cites no evidence that (i) any of the August 16 drainage occurred before Hariz
    saw Miller that morning, (ii) the August 16 Nursing Flow was wrong, or (iii) charting drainage
    more frequently on August 16 would have made any difference. In sum, there is no evidence that
    charting additional drainage volume information before 10:00 on August 16th would have
    –22–
    prevented Miller’s discharge.3 Thus, the evidence would require speculation as to what the
    unknown volumes would have been or how Hariz would have reacted had he seen that unknown
    information for us to conclude that the lack of such information more likely than not was a
    substantial factor without which Miller would not have suffered is injuries.
    Because Miller does not point to any evidence sufficient to raise a genuine fact issue as to
    causation, we overrule his second issue.
    IV. DISPOSITION
    Having overruled Miller’s two issues, we affirm the trial court’s judgment.
    /Bill Whitehill/
    BILL WHITEHILL
    JUSTICE
    170954F.P05
    3
    We note that Miller does not argue that appellees are liable for not contacting Hariz after he saw Miller on the 16th to tell Hariz about that
    day’s drainage.
    –23–
    S
    Court of Appeals
    Fifth District of Texas at Dallas
    JUDGMENT
    MICHAEL MILLER, Appellant                           On Appeal from the County Court at Law
    No. 4, Dallas County, Texas
    No. 05-17-00954-CV          V.                      Trial Court Cause No. CC-15-04020-D.
    Opinion delivered by Justice Whitehill.
    LONE STAR HMA, L.P., AND                            Justices Francis and Fillmore participating.
    MESQUITE HMA GENERAL, LLC,
    Appellees
    In accordance with this Court’s opinion of this date, the judgment of the trial court is
    AFFIRMED.
    It is ORDERED that appellees Lone Star HMA, L.P., and Mesquite HMA General, LLC
    recover their costs of this appeal from appellant Michael Miller.
    Judgment entered August 21, 2018.
    –24–