Right heart failure : Cor pulmonale refers to the altered structure (eg, hypertrophy or dilatation) and/or impaired function of the right ventricle that results from pulmonary hypertension that is associated with diseases of the lung, vasculature, upper airway or chest wall. Usually it's a clinical diagnosis but chest X-ray, echo, right heart cath, pulmonary function test can be abnormal, thus supporting diagnosis.
Answered 1/15/2017
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