MR	mitral regurgitation
HF	heart failure
PMR	primary mitral regurgitation
SMR	secondary mitral regurgitation
M-TEER	mitral transcatheter edge-to-edge repair
MV	mitral valve
TMVR	transcatheter mitral valve replacement
LV	left ventricle
LA	left atrium
MAC	mitral annular calcification
TTE	transthoracic echocardiography
EROA	effective regurgitant orifice area
TEE	transesophageal echocardiography
3D	three-dimensional
CMR	cardiovascular magnetic resonance
LGE	late gadolinium enhancement
PET	positron emission tomography
GDMT	guideline-directed medical therapy
SGLT2i	sodium-glucose cotransporter 2 inhibitor
CRT	cardiac resynchronization therapy
LVEF	left ventricular ejection fraction
LVESD	left ventricular end-systolic diameter
MVr	mitral valve repair
ePTFE	expanded polytetrafluoroethylene
MVR	mitral valve replacement
MVA	mitral valve area
HTx	heart transplantation
MViV	mitral valve-in-valve
MViR	mitral valve-in-ring
ViMAC	valve-in-MAC
THV	transcatheter heart valve
rSMVR	redo surgical mitral valve replacement
MS	mitral stenosis
LVOTO	left ventricular outflow tract obstruction
BATMAN	balloon-assisted translocation of the mitral anterior leaflet
ELASTACLIP	electrosurgical laceration and stabilization of failed Mitraclip(s)
LAMPOON	laceration of the anterior mitral leaflet to prevent outflow obstruction
SESAME	septal scoring along midline endocardium