A 1-Month-Old Infant Visits His Primary Care Provider for a Well-Baby

Multiple Choice

A 1-month-old infant visits his primary care provider for a well-baby check. Physical examination reveals decreased cardiac output, hypotension, tachycardia, and a loud murmur suggestive of aortic stenosis. Which condition would be expected with this diagnosis?

A) Atrial dilation
B) Ventricular hypertrophy
C) Atrial rigidity
D) Decreased contractility