A 45-year-old woman comes to the physician for a routine health maintenance examination. She has no past medical history. A 2/6 systolic ejection murmur is auscultated at the apex. It is accentuated with standing. She is 5’10” and weighs 140 lbs. Which of the following is the most likely explanation for these findings?
β-myosin heavy chain gene mutation
Bicuspid aortic valve
Incompetence of tricuspid valve
Insufficiency of mitral valve
Myxomatous degeneration
