title: Doppler detection of acquired ventricular septal defect.
mesh_terms: D004452:Echocardiography; D006341:Heart Rupture / Q000175:diagnosis* / Q000209:etiology; D006346:Heart Septum / Q000473:pathology*; D006352:Heart Ventricles / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000150:complications*