An 18 year old college student is getting a physical exam before starting crew. During the interview, he says that his cousin died suddenly when he was 22 while playing tennis. The doctor auscultates a 2/6 systolic murmur in the right second intercostal space. These observations suggest that the disease is a result of which of the following mechanisms?
A. Abnormal deposition of iron
B. Adverse effect to previous antibiotic
C. Autosomal dominant defect in sarcomere protein
D. Intravenous drug use
E. Systemic infection during childhood
A. Abnormal deposition of iron
B. Adverse effect to previous antibiotic
C. Autosomal dominant defect in sarcomere protein
D. Intravenous drug use
E. Systemic infection during childhood