What is the best technique to identify structural changes in the mitral valve?
A) Chest radiography
B) Cardiac catheterization
C) Transthoracic echocardiogram
D) Cardiac stress test
C
Feedback:
Standard transthoracic or transesophageal echocardiography is the best technique to identify structural changes in the mitral valve because the performance of the valve during the cardiac cycle can be evaluated. Options A, B, and D do not show you similar detail. Chest radiography shows structures in the chest. Cardiac catheterization evaluates patency of arteries and measures pressures in cardiac chambers. Cardiac stress testing shows areas of the heart muscle that may become ischemic with exercise.
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