A 1-month-old infant visits his primary care provider for a well-baby check. Physical exam re-veals 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
ANS: B
The infant with aortic stenosis will also be experiencing ventricular hypertrophy because of the resistance of blood flow from the left ventricle into the aorta. Aortic stenosis is not associated with either atrial dilation, rigidity, or decreased contractility.
Health Professions
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