title: "Fixed" splitting of the second heart sound in ventricular septal defect.
mesh_terms: D006328:Cardiac Catheterization; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis; D006345:Heart Septal Defects, Ventricular / Q000175:diagnosis*; D006801:Humans; D006976:Hypertension, Pulmonary; D010701:Phonocardiography; D012119:Respiration