The Heart Sound Conditions causing prominent S2 Physiology (infants and children) Congestive heart failure Ventricular septal defects(large QP/QS) Mitral insufficiency Hyperdynamic ventricular with high output The Heart Sound ◼ Conditions causing prominent S2 Physiology (infants and children) Congestive heart failure Ventricular septal defects (large QP/QS) Mitral insufficiency Hyperdynamic ventricular with high output