Constrictive Pericarditis and Restrictive Cardiomyopathy Both disorders present with signs of right-sided heart failure and preserved systolic function, yet their pathophysiology, causes, and treatment are quite different. --- Constrictive Pericarditis (CP) Definition: A chronic condition where the pericardium becomes fibrotic, thickened, and sometimes calcified, leading to loss of its elasticity and restriction of diastolic filling. Causes: Idiopathic or post-viral (most common in developed cou

Restrictive Cardiomyopathy Restrictive cardiomyopathy occurs when muscles in your heart's ventricles become rigid. The ventricles can't fill with blood. Your heart must work too hard to pump blood, causing heart failure. Healthcare providers typically treat the symptoms of restrictive cardiomyopathy with medication. | Dr. Najeeb