Holosystolic murmur in a child with a membranous ventricular septal defect
Holosystolic murmur in a child with a membranous ventricular septal defect
Phonocardiogram recorded at the left lower sternal border in a 12-year-old child with a restrictive membranous ventricular septal defect. The SM is holosystolic and extends from S1 to S2.
S1: first heart sound; S2: second heart sound; SM: systolic murmur.
