A 67-year-old was previously diagnosed with rheumatic heart disease. Tests now reveal lipopro-tein deposition with chronic inflammation that impairs blood flow from the left ventricle into the aorta. Which diagnosis does this history support?
a. Aortic regurgitation
b. Aortic stenosis
c. Mitral regurgitation
d. Mitral stenosis
ANS: B
Aortic stenosis would impair blood flow from the left ventricle to the aorta. Aortic regurgitation would allow blood to flow back into the left ventricle. Mitral regurgitation would allow blood to flow from the left ventricle to the left atrium. Mitral stenosis would impair blood flow from the left atrium to the left ventricle.
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