This document provides an overview of cor pulmonale, including its objectives, definitions, etiology, pathogenesis, clinical manifestations, diagnosis, management, and nursing considerations. Cor pulmonale is defined as enlargement of the right ventricle due to lung disease and results in pulmonary hypertension. Common causes include COPD and pulmonary embolism. Symptoms include dyspnea and edema. Diagnosis involves physical exam, imaging, and cardiac catheterization. Treatment includes oxygen, diuretics, and lung transplantation in severe cases. Nursing focuses on managing symptoms and promoting rest and nutrition.