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In a patient with hypertrophic cardiomyopathy, which dysrhythmia is most likely to occur?
Sinus bradycardia
Premature atrial contractions
Supraventricular tachycardia
Asystole
The correct answer is: Supraventricular tachycardia
Supraventricular tachycardia is the most likely dysrhythmia to occur in a patient with hypertrophic cardiomyopathy due to the structural and electrical changes that accompany this condition. Hypertrophic cardiomyopathy often leads to an increase in cardiac muscle mass and alterations in the myocardium, which can disrupt normal electrical conduction. This disruption may result in the development of reentrant circuits, particularly in the atria, thereby predisposing patients to episodes of supraventricular tachycardia. The condition is characterized by the thickening of the heart muscle, particularly in the interventricular septum, which can lead to left ventricular outflow tract obstruction and various conduction abnormalities. In this context, the fast and chaotic electrical impulses associated with supraventricular tachycardia can occur more readily. This makes it a significant risk for patients with the condition, highlighting the importance of monitoring for this specific dysrhythmia in such patients. While other options may be present in various settings or conditions, they do not offer the same level of association with hypertrophic cardiomyopathy. For example, sinus bradycardia may occur in response to various physiological changes but isn't specifically indicated in hypertrophic cardiomyopathy. Similarly, while