A father experienced the onset of chest pain and dies suddenly. The family asks, "What caused him to die so suddenly?"
The health care provider's reply that is most appropriate would be, "There's a high probability that your loved one developed an acute heart attack and experienced:
A) Acute myocarditis."
B) High troponin levels."
C) Acute ventricular arrhythmia."
D) Hypertrophic cardiomyopathy."
Ans: C
Feedback:
Sudden death from an acute myocardial infarction in an adult is usually caused by fatal (ventricular) arrhythmias. Hypertrophic cardiomyopathy is the most common cause of sudden cardiac death in the young, since the disorder can be inherited as an autosomal dominant trait. Troponin is normally present in cardiac muscle; serum levels of troponin enzymes are diagnostic and will elevate within 3 hours of the acute event. Myocarditis is inflammation of the heart muscle and conduction system without evidence of myocardial infarction.
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