TEXAS MEDICAL LIABILITY TRUST
Medical liability coverage for Texas physicians

2011 TMLT Memorial Scholarship

TMLT is proud to announce the recipients of the 2011 TMLT Memorial Scholarships.

  • Duane Akwar is a fourth-year medical student at University of Texas Medical Branch at Galveston. Read Mr. Akwar's essay.
  • Elizabeth Rossmann Beel is a second-year medical student at Baylor College of Medicine. Read Ms. Beel's essay.
  • Clay Buchanan is a second-year medical student at Texas Tech University Health Sciences Center School of Medicine. Read Mr. Buchanan's essay.
  • Charles Willnauer is a second-year medical student at Texas Tech University Health Sciences Center School of Medicine. Read Mr. Willnauer's essay.

The TMLT Memorial Scholarships were created to recognize students who are interested in finding creative ways to enhance patient safety. Applicants were asked to write risk management considerations for a closed claim study provided by TMLT. Read the case study and the winning essays.

The TMLT Board of Governors evaluated the applications and chose the recipients based on each student's financial need and written essay. Winning essays are published on the TMLT web site and in TMLT's newsletter, the Reporter.

Applications for the 2012 TMLT Memorial Scholarship will be available in the Spring 2012.


2011 winning essays

For the essay portion, applicants for the 2011 scholarship were asked to write risk management considerations for a closed claim study provided by TMLT. The case study and the winning essays follow.

The case study — Failure to diagnose myocardial ischemia

Presentation

A 45-year-old man went to the emergency department (ED) of a community hospital complaining of infrequent chest pain. He had a history of anxiety disorder, depression, high blood pressure, coronary artery disease, and a family history of heart disease. He reported smoking a pack of cigarettes a day for 20 years. The patient was seen by the on-call hospital family physician.

Physician action

Once in the ED, the patient reported that his chest pain had stopped. The pain had started the previous evening and was located in the middle of his chest. The family physician examined the patient and noted that his lungs were clear and his heart had a regular rate and rhythm. His blood pressure was 176/92 mm Hg and movement exacerbated the patient's chest pain.

The physician ordered an EKG, which revealed nonspecific inverted t-waves with some premature atrial contractions. He diagnosed chest pain related to bronchitis and prescribed a dose of 1 mg of clonidine to be administered orally and 500 mg of cefprozil twice a day for 7 days. The family physician then discharged the patient.

Three days later, the patient came to the same ED complaining of severe chest pain, which had occurred intermittently for the previous three days. He was diagnosed with myocardial infarction and congestive heart failure. He was transferred to a tertiary care facility where he ultimately underwent a two-vessel bypass surgery. He was hospitalized for 16 days. At discharge, his diagnosis was triple coronary artery disease with acute myocardial infarction.

Two days later the patient was readmitted to the tertiary care facility to treat congestive heart failure. Two cardiologists saw him and consulted with a thoracic surgeon, who felt that the patient was not a candidate for another surgery and that he may eventually need a heart transplant.

Allegations

A lawsuit was filed against the family physician, alleging failure to perform the proper tests; failure to admit the patient for observation; failure to transfer the patient to a facility that could perform an emergency revascularization for myocardial ischemia; and failure to refer the patient to a cardiologist.

Legal Implications

The plaintiffs argued that the family physician deviated from the standard of care by not ordering serial twelve-lead EKGs, a serial cardiac enzyme test, or a chest x-ray. The plaintiffs were also critical that the physician did not complete a serial examination, and that he did not properly document the patient's family history or the severity of his pain.

The defense alleged that the patient's smoking habit could have led to his condition. They defended the physician's exam, saying that it was thorough and did not reveal evidence of myocardial ischemia. The defense also pointed out that the physician ordered an EKG, which revealed nonspecific findings, and that he advised the patient to follow up with his family physician. The defense supported the physician's bronchitis diagnosis, stating that it would have been a common condition for a chronic smoker.

Disposition

Two out of three consultants felt the physician breached the standard of care when treating this patient. Therefore, this case was settled on behalf of the family physician.



Risk management considerations by Duane Akwar

Among the tasks of the emergency physician is to rapidly determine the short-term risk of death and disability. The misdiagnosis of this patient was due to the physician's failure to thoughtfully consider the possibility of ischemic cardiac pain. The outcome could have been avoided by careful assessment of the available data, the population-wide burden of ischemic heart disease, and the potentially fatal or disabling result of myocardial infarction.

This case begins with a young male complaining of infrequent chest pain. Though considered an illness of the 'mature,' ischemic heart disease is often seen in 30 to 50 year olds. In fact, the courts consider failure to diagnose and treat myocardial infarction in patients under 50 years old more costly than in those older than age fifty. More than half the dollar amount paid to malpractice claimants went to those under age fifty in the Physician Insurers Association of America study in 1996. The physician should be alert to the possibility of ischemic chest pain if a 'young' patient has any risk factors. Though the physician must have considered ischemic heart disease (since he ordered an EKG), he did not judge it likely or ominous enough to pursue. Had the physician considered this diagnosis seriously, he should have admitted the patient for serial cardiac enzymes and, at least, a stress test. Ominous coronary disease can present in the emergency room without positive findings on chest x-ray, cardiac enzymes, or serial EKGs. Timely diagnosis might well have prevented the devastating outcome.

It might have been helpful to question the patient more thoroughly about the pain and his history. Patients may not share useful information until asked, since they are not aware of what is pertinent to the physician. A history of positional chest pain, or chest pain exacerbated by movement, can be misleading. The Lee study of 1985 showed that positional chest pain does not reliably exclude ischemic chest pain. Understanding the limitations of the history and physical exam in this setting could have led the physician to the correct diagnosis.

A good rule of thumb for physicians is to consider the broad differential diagnosis and make better, more appropriate, use of resources in order to rule out life threatening conditions. Such considerations should lead to hospital admission in a case such as this, since emergency room cardiac enzymes, EKG's, and chest x-rays do not confirm the absence of ischemic chest pain.

In summary, to increase defensibility, the physician must be thorough in history taking, considering all related risk factors, developing an appropriate differential, use of reasonable resources in order to avoid a misdiagnosis, and understanding the limitations of history, physical and laboratory findings.



Risk management considerations by Elizabeth Rossmann Beel

Risk management considerations in this case center around the physician's workup of a patient with a common presenting complaint for a potential cardiac event. The plaintiff's allegations that the physician did not adhere to standard of care by neglecting to perform serial 12-lead EKGs and cardiac enzyme tests appear to be valid given available clinical practice guidelines from the American Colleges of Cardiology and Emergency Physicians.

Prevention of many malpractice outcomes can be achieved via better physician training or guideline adherence, but putting appropriate processes and controls in the workplace can have a more global impact and can lead to better outcomes throughout the hospital. Because even the best-trained physicians can at times fail to recall the suggested steps for diagnosis, particularly in an emergent situation, algorithms and checklists offer a method for ensuring appropriate patient care at every encounter, with every physician. Though medicine is only recently embracing a system that other fields — aviation, for example — have espoused for decades, the idea of standardized patient care algorithms has been increasingly used in settings including the operating room (pre-surgical timeouts). Similarly, a number of EDs have flowchart diagrams that help physicians work through a presenting complaint to ensure that no major diagnosis is missed -the Austin/Travis County EMS system has a Universal Patient Care protocol for chest pain on their website, and this patient's complaint would have clearly merited a 12-lead EKG under this protocol. Because cardiac events are simultaneously a common presenting complaint, with serious medical sequelae, and are amenable to timely intervention with a drastic impact on outcomes, they are an excellent example of a disease process that lends itself well to procedural flowcharts, particularly in the emergency setting. In this situation, a clear algorithm for chest pain disseminated and widely available throughout the ED would have prevented the situation and also could have provided a potential line of defense had the physician adhered to it appropriately.

It is important to consider also the setting of this event. Though larger academic EDs may have complex electronic medical records / monitoring systems that would recognize a constellation like angina, hypertension, smoking history, and coronary artery disease and would specifically direct the attending's attention to the need for a 12-lead EKG or other tests, a community medical center may well not have such processes in place. Though the cost burden of implementing EMR systems or similar technological advances is very high, in this case such a system could have saved both a patient from having an MI and the hospital from a large fiscal outlay on legal costs.

In this vignette, the patient's family history, risk factors for MI (smoking, depression, inverted T-wave EKG, diagnosis of coronary artery disease), and presenting complaint clearly warrant a more substantial workup than was initially performed by the ED physician. In focusing on the larger picture for the organization of how to standardize care and defend against future lawsuits, improvements in processes and procedures can have a great deal of impact.



Risk management considerations by Clay Buchanan

From our earliest patient exposure in medical school we are taught that a good history will give you the diagnosis. Unfortunately, sometimes physicians latch on to what is quickest and easiest to the detriment of their patient.

The patient presented with chest pain. Chest pain is nonspecific, but a physician should always act to rule out myocardial infarction (MI). Hypertension, coronary artery disease (CAD), family history of heart disease and smoking are risk factors for MI. Additionally, the EKG showed inverted T waves which can be indicative of ischemia. This presentation cries out for more intensive questioning, testing, and intervention. The family physician neglected the history and failed to investigate. If the family physician was uncomfortable admitting the patient and/or ordering additional testing he should have made a cardiology consult at the very least.

In addition to failing to note the history and properly follow up on the cardiac issues, the family physician made the easy decision. Smoking equals bronchitis. Although not necessarily incorrect, the family physician failed to document anything that would support this diagnosis. There is no indication of wheezes, rales, sputum, dyspnea or anything else suggesting bronchitis. The failure to document anything suggestive of bronchitis increased the physician's exposure, blinded him to the cardiac issue, and placed the patient at greater risk.

The family physician made other mistakes regarding the medication prescribed. Clearly, the patient needed hypertension management. However, clonidine was not the appropriate medication. As noted the patient had CAD, cardiac conduction disturbances, depression and a probable recent MI. Clonidine is contraindicated for each of these factors individually much less a combination of four factors. Again, the physician's short-sighted approach left himself and the patient exposed to greater risk. The family physician would have been on safer ground prescribing a beta blocker, calcium channel blocker or angiotensin receptor blocker, but the CAD and MI should have been addressed first. Bronchitis is usually viral or caused by an irritant such as smoking. The record shows nothing to indicate the family physician did any testing to warrant use of an antibiotic. When not necessary, use of a broad-spectrum antibiotic can cause more harm than good by destroying the patient's normal flora. In this instance the family physician should not have prescribed either clonidine or cefprozil.

As professionals, we are entrusted with our patients lives and owe them our best efforts. When history clearly indicates a possible recent MI, how can best efforts not include steps to address such a life-threatening condition? Physicians are rushed and short of time continually, but we can never short-change our patients by latching on to the easy solutions just for the sake of saving time. Saving time does not necessarily equal saving lives. A few simple steps, a few extra moments to get an adequate history, a few moments of reflection by the family physician and the patient would not have suffered as much and his outcome might have been markedly improved.



Risk management considerations by Charles Willnauer

Certain chief complaints, such as "chest pain", are a red flag within the health care community and could point to a myocardial infarction. With such a potentially life threatening diagnosis, it is better to err on the side of caution. Thus, physicians are obligated to prove the absence of a myocardial infarction rather than its presence. The breach of care in this case can be linked to one important aspect of patient care: the context of the patient history. Chest pain can be caused by a number underlying conditions, such as pain in bones or muscles of the chest, coughing during a virus induced upper respiratory tract infection, shingles, broken rib, gastroesophageal reflux disease, or even lung cancer.

The family physician was correct in ordering an EKG, but when the results proved to be inconclusive, he deviated from the standard of care by not pursuing an evidence-based diagnosis. For instance, the nonspecific inverted t-waves could be caused by numerous underlying conditions, such as pericarditis, a pulmonary embolism, central nervous system injury, effects of digitalis, or even intra-abdominal disorders. Premature atrial contractions are common, occur in healthy individuals, and can be caused by such conditions as ingestion of caffeine, nicotine, alcohol, exposure to stress, or electrolyte imbalance.

Within the context of a patient with numerous personal and family history risk factors, it becomes even more imperative to prove the absence of a myocardial infarction. The patient's history should have overruled the nonspecific results of one EKG test. The patient should have been admitted overnight, given a serial EKG test followed by serial cardiac enzymatic tests, such as Troponin, and a chest x-ray. In the event that even these test results were inconclusive, it would then be necessary to perform a stress test before discharging the patient. Additionally, the hospital family physician should have counseled the patient to return if the pain continued or worsened since following up with his personal family physician might not be feasible in the short term. However, if such tests confirmed a myocardial infarction, then the family physician could refer the patient to a cardiologist and tertiary care center to undergo advanced treatment.

Even though the physician failed to diagnose the myocardial infarction, what may be equally concerning is the physician diagnosed bronchitis without noting any evidence such as fever, cough, or sputum production. Even if such symptoms were present, tests such as percussing the chest, pulse oximetry, or a chest x-ray were not performed or at least not noted. Additionally, the unnecessary prescription of cefprozil, a broad-spectrum antibiotic, can cause unwanted side effects.

Ultimately, medical malpractice lawsuits could be avoided if the physician used conclusive tests to rule out possibilities before finalizing the diagnosis. The results of such physical exams and vital tests need to be evaluated and documented accurately and thoroughly. The data needs to be analyzed under the context of the patient's personal and family history. This method could help the physician avoid positively diagnosing absent conditions and negatively diagnosing present conditions.



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