Football fans at a college have been shocked to learn of the sudden death of a star player, an event that was attributed in the media to "an enlarged heart." Which of the following disorders was the player's most likely cause of death?
A) Takotsubo cardiomyopathy
B) Arrhythmogenic right ventricular cardiomyopathy/dysplasia (ARVC/D)
C) Hypertrophic cardiomyopathy (HCM)
D) Dilated cardiomyopathy (DCM)
Ans: C
Feedback:
The most frequent symptoms of HCM are dyspnea and chest pain in the absence of coronary artery disease. Syncope (fainting) is also common and is typically postexertional, when diastolic filling diminishes and outflow obstruction increases. Ventricular arrhythmias are also common, and sudden death may occur, often in athletes after extensive exertion. Risk factors for sudden cardiac death among clients with HCM include a family history of syncope or sudden cardiac death, certain mutations, and extreme hypertrophy of the left ventricle. HCM is characterized by a massively hypertrophied left ventricle with a reduced chamber size.
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