layers of the heart wall

contractile myofibrils myocytes cardiomyocytes cardiac tissue medical intercalated membranes sarcomeres electrocardiogram cardio myopathy mitral regurgitation background graphic cell circulation healthy photomicrograph pulmonary disease design acute coronary syndrome microscopic micrograph biology infographic education membrane labeled inside carditis inflamed endothelium ventricle capillaries pericardiocentesis endocarditis myocarditis visceral aorta diagram medicine atrium science subepicardial epicardium tamponage endocardium pericardium myocardium wall echocardiogram structure cardiology cardiovascular human cardiomyopathy vector tamponade muscle pericarditis layer rheumatic anatomy scheme treatment pericardial anatomical failure system vascular cavity heart