CTICasesMitral Annular Disjunction
Imaging findings
Cardiac MRI shows severe mitral valve prolapse of the posterior leaflet and severe mitral regurgitation. There is a large gap/separation measuring over 1 cm between the posterior mitral valve leaflet junction and the left ventricular myocardium during ventricular systole.
Key takeaways
Mitral annular disjunction (MAD) is a structural abnormality characterized by separation between the mitral valve annulus and the left ventricular myocardium. It is strongly associated with mitral valve prolapse and carries a high risk of ventricular arrhythmias and sudden cardiac death.
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