TY - CHAP M1 - Book, Section TI - Restrictive Cardiomyopathy A1 - Goldstein, James A. A2 - Crawford, Michael H. Y1 - 2017 N1 - T2 - CURRENT Diagnosis & Treatment: Cardiology, 5e AB - ESSENTIALS OF DIAGNOSISPredominant biventricular diastolic dysfunction with lesser impairment of systolic performance.Symptomatic presentation:Chronic biventricular “backward failure” manifest as dyspnea and peripheral edema (often hepatomegaly and ascites).Reduced preload limits cardiac output (fatigue).Echocardiography: small stiff ventricles, preserved systolic function (until late stages), dilated atria, and diastolic dysfunction by Doppler.Many disorders manifest restrictive “physiology” and must be excluded (eg, hypertrophic cardiomyopathy and constrictive pericarditis).Cardiac magnetic resonance imaging powerful: delineates myocardial infiltration, inflammation, and fibrosis and assesses pericardium, thereby helping establish underlying disorder.Tissue biopsy may be necessary for definitive diagnosis in some disorders (eg, amyloidosis). SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/29 UR - accessmedicine.mhmedical.com/content.aspx?aid=1139745808 ER -