What ECG findings are typically seen in patients with idiopathic pulmonary artery hypertension? 1. Frequent premature ventricular complexes 2. Right-axis deviation 3. Right ventricular hypertrophy 4. Left bundle-branch block
a. 1, 2, and 4 only
b. 2 and 3 only
c. 4 only
d. 2, 3, and 4 only
ANS: B
Electrocardiographic findings usually include right-axis deviation, right ventricular hypertrophy, and strain. The echocardiogram may show dilatation of the right ventricle and right atrium and tricuspid regurgitation.
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