LA	left atrium
RA	right atrium
LV	left ventricle
RV	right ventricle
CHD	congenital heart disease
FO	foramen ovale
PFO	patent foramen ovale
ASD	atrial septal defect
ECMO	extracorporeal membrane oxygenation
VAD	ventricular assist device
HLHS	hypoplastic left heart syndrome
TGA	transposition of great arteries
PVR	pulmonary vascular resistance
SVR	systemic vascular resistance
CVA	cerebrovascular accident
TIA	transient ischemic attack
TTE	transthoracic echocardiography
TEE	transesophageal echocardiography
TCD	transcranial Doppler
ICE	intracardiac echocardiography
CMR	cardiac magnetic resonance