The most common causes of left-sided heart failure include:
A) Acute myocardial infarction
B) Chronic pulmonary disease
C) Impaired renal blood flow
D) Tricuspid valve regurgitation
Ans: A
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The most common causes of left-sided heart failure are acute myocardial infarction and hypertension. Acute or chronic pulmonary disease can cause right heart failure, referred to as cor pulmonale. The causes of right-sided heart failure include stenosis or regurgitation of the tricuspid or pulmonic valves, right ventricular infarction, and cardiomyopathy. Manifestations (rather than causes) of heart failure reflect the physiologic effects of the impaired pumping ability of the heart, including decreased renal blood flow.
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