What ECG finding is most often associated with right-sided heart failure and pulmonary hyper-tension?
a. Elevated ST segment
b. Inverted P wave in lead I
c. Prolonged PR interval
d. Right-axis deviation
ANS: D
ECG 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 regur-gitation.
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