title: The second heart sound in normal and abnormal conditions.
mesh_terms: D000367:Age Factors; D001011:Aorta; D001017:Aortic Coarctation / Q000503:physiopathology; D001021:Aortic Valve / Q000502:physiology; D001022:Aortic Valve Insufficiency / Q000503:physiopathology; D001024:Aortic Valve Stenosis / Q000503:physiopathology; D001161:Arteriosclerosis / Q000503:physiopathology; D001783:Blood Flow Velocity; D002037:Bundle-Branch Block / Q000503:physiopathology; D003327:Coronary Disease / Q000503:physiopathology; D004106:Dilatation / Q000503:physiopathology; D004374:Ductus Arteriosus, Patent / Q000503:physiopathology; D004541:Eisenmenger Complex / Q000503:physiopathology; D005260:Female; D006321:Heart / Q000502:physiology; D006326:Heart Auscultation; D006331:Heart Diseases / Q000503:physiopathology*; D006344:Heart Septal Defects, Atrial / Q000503:physiopathology; D006801:Humans; D006973:Hypertension / Q000503:physiopathology; D006976:Hypertension, Pulmonary / Q000503:physiopathology; D008944:Mitral Valve Insufficiency / Q000503:physiopathology; D008946:Mitral Valve Stenosis / Q000503:physiopathology; D009203:Myocardial Infarction / Q000503:physiopathology; D009205:Myocarditis / Q000503:physiopathology; D010494:Pericarditis, Constrictive / Q000503:physiopathology; D010701:Phonocardiography; D011247:Pregnancy; D011249:Pregnancy Complications, Cardiovascular / Q000503:physiopathology; D011651:Pulmonary Artery; D011664:Pulmonary Valve / Q000502:physiology; D011666:Pulmonary Valve Stenosis / Q000503:physiopathology; D012119:Respiration; D013997:Time Factors; D014188:Transposition of Great Vessels / Q000503:physiopathology; D016276:Ventricular Function; D014732:Vibration