Table 2: Imaging Findings in Cases of Mitral Valve Prolapse and Sudden Cardiac Death or Cardiac Arrest.

Imaging Findings	All Cases	iMVP	Non-iMVP
Leaflet involvement*	n=83	n=57	n=26
Bileaflet	57 (69)	40 (70)	17 (65)
Posterior leaflet	23 (28)	15 (26)	8 (30)
Anterior leaflet	3 (4)	2 (4)	1 (4)
MR severity†	n=38	n=23	n=15
Nil/trivial	9 (24)	6 (26)	3 (20)
Mild	12 (32)	9 (39)	3 (20)
Moderate	8 (21)	4 (17)	4 (27)
Severe	9 (24)	4 (17)	5 (33)

Unless indicated otherwise, values are expressed number (percentage). *Determined using echocardiography and/or autopsy information. †Diagnosed on angiography or echocardiography. iMVP = isolated mitral valve prolapse; MR = mitral regurgitation. Source: Han et al. 2018.[8] Reproduced under a Creative Commons CC BY-NC 4.0 licence.