Hypertrophic cardiomyopathy (HCM) is a genetic autosomal dominant disorder of the heart muscle that is characterized by left ventricular hypertrophy and sudden cardiac death. It is the most common inherited cardiac disease. HCM is defined by sarcomeric mutations that result in fibrosis of the heart, affecting contraction. In most cases, clinical presentations can range from asymptomatic to systolic and diastolic ventricular dysfunction, arrhythmias, and sudden cardiac death. Some histopathologic features typical of the disease are changes in myocyte disarray and myocardial fibrosis. Mutations in the β-myosin heavy chain and myosin-binding protein C have been identified as the cause of the disease. The goals of pharmacological therapy as well as nonpharmacological therapy are to alleviate the symptoms and to prevent sudden cardiac death. Anatomical defects are treated primarily by surgical intervention, whereas other issues such as hypercontractility are treated with pharmacotherapy. In this article, we review the pathophysiology and treatment options for HCM.
Coronavirus Disease 2019 is caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and has become a worldwide pandemic. Since 2019, the virus has mutated into multiple variants that have made it harder to eradicate and have increased the rate of infection. This virus can affect the structure and the function of the heart and can lead to cardiovascular symptoms that can have long-lasting effects despite recovery from COVID-19. These symptoms include chest pain, palpitations, fatigue, shortness of breath, rapid heartbeat, arrhythmias, cough or hypotension. These symptoms may persist due to myocardial injury, cardiac inflammation, or systemic damage that may have been caused during infection. If these symptoms persist, the patient should visit their cardiologist for diagnosis and treatment plan for any type of cardiovascular disease that may have developed Post-COVID 19.
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