Full name	Abbreviation
Left atrium	LA
Left ventricle	LV
Right atrium	RA
Right ventricle	RV
Aorta	Ao
Pulmonary artery	PA
Aortic valve	AV
Mitral valve	MV
Tricuspid valve	TV
Pulmonary valve	PV
Interventricular septum	IVS
Papillary muscle	PM
Fractional shortening	FS
Fractional area change	FAC
Parasternal long axis view	PLAX
Parasternal short axis view	PSAX
Transthoracic echocardiography	TTE
Pulmonary artery constriction	PAC
Right ventricular systolic pressure	RVSP
Pulmonary arterial hypertension	PAH
Right Ventricular outflow tract	RVOT
Right ventricular internal dimension in diastole	RVIDd