human heart hand sketch style. vintage editable clip art.

anatomy angina arrest art artery artwork atherosclerosis attack blood brown capillary cardiac cardio cardiologist cardiology cardiovascular circulation circulatory coronary dilated disease doodle drawing epicardium etching handdrawn handsketch health heart high icon illustration lie medical muscular old open operation organ outline pressure real retro shape sign stencil surgery symbol system transplant transplantation valves vector ventricles vintage