Primary Right Heart Failure ( Cor Pulmonale)

Posted by e-Medical PPT Wednesday, October 27, 2010
Cor pulmonale or pulmonary heart disease is enlargement of the right ventricle of the heart as a response to increased resistance or high blood pressure in the lungs.Chronic cor pulmonale usually results in right ventricular hypertrophy (RVH).
There are several mechanisms leading to pulmonary hypertension and cor pulmonale:
* Pulmonary vasoconstriction
* Anatomic changes in vascularization
* Increased blood viscosity
* Idiopathic or primary pulmonary hypertension
Causes
* Acute: - Massive pulmonary embolization,Exacerbation of chronic cor pulmonale
*Chronic: - COPD,Increased pulmonary bloodpressure due to left ventricle insufficiency (Backward failure),Loss of lung tissue following trauma or surgery,Pierre Robin sequence,End stage Pneumoconiosis,Sarcoidosis,Obstructive sleep apnea and Bronchopulmonary dysplasia (in infants)
Cor pulmonale may lead to congestive heart failure (CHF), with worsening of respiration due to pulmonary edema, swelling of the legs due to peripheral edema and painful congestive hepatomegaly.
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