The praecordial honk.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002932:Cineangiography; D003327:Coronary Disease / Q000503:physiopathology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000502:physiology* / Q000503:physiopathology; D008944:Mitral Valve Insufficiency / Q000503:physiopathology*; D010701:Phonocardiography; D012214:Rheumatic Heart Disease / Q000503:physiopathology