Case 2: Sigmoidal HCM


Cine 3CH / 4CH / 2CH: Normal sized LV with asymmetrical septal and inferior hypertrophy. Preserved global left ventricular function with septal hypokinesia. Severely dilated left atrium. Note the flow acceleration due to a narrow LVOT and SAM.


LGE SA (A) / 4CH (B) / 2CH (C): Diffuse myocardial fibrosis in the septum and the inferior wall.