Quadricuspid Aortic Valve on Cardiac MRI with Severe Aortic Regurgitation 54 yo/ severe aortic regurgitation. CMR showing quadricuspid aortic valve with partial fusion of the accessory and non-coronary cusps, and partial fusion of the left and accessory coronary cusps Àrea Imatge Cardiotoràcica IDI Girona @AreaHjt #Quadricuspid #AorticValve #Aorta #Regurgitation #CardiacMRI #clinical #cardiology