Florida Physician Ebook Continuing Education - MDFL0626

Medical Error Prevention and Root Cause Analysis ________________________________________________

COMMON MISDIAGNOSES As Florida healthcare professionals, it is important to be aware that in addition to wrong-site/wrong-procedure surgery, several medical conditions also continue to be misdiagnosed. As of 2024, the Florida Board of Medicine has determined the five most misdiagnosed conditions to be [29]:

Cardiology-Related Issues The clinical presentation of chest pain has many possible eti- ologies, ranging from benign (e.g., panic/anxiety, pneumonia, peptic ulcer, gastroesophageal reflux disease, and pericarditis) to life-threatening (e.g., pulmonary embolism, acute coronary syndrome [ACS], aortic dissection, and pneumothorax). In many cases, it is best to rule out the more urgently threatening possibilities before testing for other causes. Of the potentially life-threatening causes of chest pain, ACS is the most prevalent. Although a large percentage of individuals with suspected ACS will be seen initially in emergency depart- ments, patients in any healthcare setting, regardless of other diagnoses, may abruptly develop chest pain suspicious for ACS. When a patient presents with clinical signs suspicious for myocardial infarction, immediate medical intervention is directed at confirming a diagnosis and stratifying the per- son’s risk for adverse events such as cardiac arrest and severe/ significant damage to the myocardium [41]. It is important to note that while some patients will present with classic ACS- related chest pain (tightness, sensation of pressure, heaviness, crushing, vise-like, aching pain in the substernal or upper left chest), many patients, particularly women and older patients, will present with “atypical” ACS-related chest pain [45; 46]. Words commonly used to describe “atypical” chest pain associated with ACS include numbness, tingling, burning, stabbing, or pricking. Atypical chest pain location includes any area other than substernal or left sided, such as the back, area between shoulder blades, upper abdomen, shoulders, elbows, axillae, and ears [43; 44; 45; 46]. Aside from atypical clinical presentation, other possible causes of missed ACS diagnosis include failure of interpretation of the history, failure to cor- rectly interpret the electrocardiogram, failure to perform an electrocardiogram when necessary, and lack of proper use of cardiac enzyme test [47]. Infectious Disease-Related Conditions Acute infection was the most commonly misdiagnosed disease in one study, with the potential adverse outcomes of sepsis, organ damage, and even death [37]. The presentation of infec- tious diseases may be atypical in certain populations (e.g., the elderly), making detection even more difficult. In one survey of physicians, delayed diagnoses were found to commonly occur with tuberculosis, nontuberculous mycobacterial infections, syphilis, epidural abscess, infective endocarditis, and endemic fungal infections (e.g., histoplasmosis, blastomycosis) [38]. Diseases with general symptoms and varied presentations (e.g., Lyme disease) also present complicated clinical pictures. Adher- ence to established guidelines for the diagnosis and treatment of specific infectious diseases and attentive patient assessment and history are recommended in order to improve diagnostic accuracy [39; 40; 42]. In addition, early consultation with an infectious disease specialist has been identified as potentially mitigating factor [38].

• Oncology-related conditions • Gastroenterology-related issues

• Cardiology-related issues • Neurologic conditions • Infectious disease-related conditions It is important to be aware of the possibility of misdiagnosis and incorporate this knowledge into practice. Oncology-Related Conditions The early detection and diagnosis of cancers is crucial for selecting the appropriate treatment approach and to ensure an optimum outcome. However, an estimated 12% of cancer patients are initially misdiagnosed, and the missed or delayed diagnosis of cancers remains a significant cause of medical malpractice claims [30; 31]. The causes of missed diagnoses vary widely among cancers in different parts of the body. In many cases, patients who do not fit the typical profile for a specific cancer (e.g., young age) may be underdiagnosed, and it is important that cancer is considered as part of the differential diagnosis in ambiguous cases [31; 32; 33]. In order to prevent missed or delayed cancer diagnosis, practitioners may take steps to ensure adherence to clinical guidelines for screening and diagnosis, use tools to facilitate communication, and engage strategies to ensure appropriate follow-up [55]. Gastroenterology-Related Conditions Gasteroenterologic conditions may present with nonspecific complaints (e.g., abdominal pain, nausea) common to a variety of illnesses, complicating and delaying diagnosis. In one study of patients with pancreatic cancer, more than 30% were initially misdiagnosed, most commonly with gall bladder disease [58]. Diagnosis and screening for gastrointestinal disorders may be complicated by a lack of definitive test (e.g., irritable bowel syndrome) or by limits on screening recommendations (e.g., colorectal cancer). However, delayed diagnosis can lead to worsening conditions and poorer prognosis. In general, gastrointestinal syndromes/symptoms may be clas- sified into three general diagnostic categories: organic, motil- ity, or functional disorders [59; 60]. Functional GI disorders are idiopathic disorders of gut-brain interaction and, unlike organic and motility disorders, diagnosis involves identification of symptom clusters. As such, misdiagnosis is more common. Another important consideration is GI symptom-specific anxi- ety, an important perpetuating factor that describes threatening interpretation and out-of-proportion behavioral response to GI sensations. This anxiety to real GI symptoms and the frequency of psychiatric comorbidity can lead to functional GI syndromes being dismissed as psychological or psychosomatic in nature.

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