AS- Aortic stenosis

ASD- atrial septal defect

BT shunt- Blalock tausing shunt

Fallot- Tetralogy of fallot

PDA- patent ductus arteriosus

PS- pulmonary stenosis

MR- mitral regurgitation

TGA- Transposition of great arteries

ULSE- upper left sternal area

URSE- upper right sternal area

LLSE- Lower left sternal area

VSD- ventricular septal defect