ARNI	Angiotensin receptor–neprilysin inhibitor
CHF	Congestive heart failure
HCM	Hypertrophic cardiomyopathy
RCM	Restrictive cardiomyopathy
RAAS	Renin–angiotensin–aldosterone system
IVSd	Interventricular septal thickness in diastole
LVPWd	Left ventricular free wall thickness in diastole
LVIDd	Left ventricular internal diameter in diastole
LVIDs	Left ventricular internal diameter in systole
LA/Ao	Left atrial-to-aortic root ratio
RAD	Right atrial diameter
FS	Fractional shortening
SEC	Spontaneous echocardiographic contrast
LVOT	Left ventricular outflow tract
TR	Tricuspid regurgitation