5 Interesting Facts of Cardiomyopathy

  1. Heterogeneous group of myocardial disorders, typically characterized by either ventricular hypertrophy or dilation
  2. Potential causes of cardiomyopathy are diverse and include hypertensive, genetic (familial), inflammatory, metabolic, endocrine, toxic, and infiltrative processes
  3. Presentation reflects underlying pathology; dilated cardiomyopathy typically presents as heart failure or reduced cardiac output while hypertrophic cardiomyopathy may present with chest pain, syncope, arrhythmias, or sudden death
  4. ECG findings are often abnormal and may vary depending on cause; typical findings include left ventricular hypertrophy, various left atrial abnormalities, possibly pathologic Q waves, and arrhythmia (eg, atrial fibrillation)
  5. Differentiate by clinical presentation and cardiac evaluation beginning with ECG and echocardiography; confirmation of underlying cause involves a focused secondary evaluation guided by clinical presentation

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