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Baseline Thoracic Echocardiogram and CT
(A) Echocardiogram (difficult quality) shows mild asymmetrical hypertrophy in the basal septum. (B) CT transcatheter aortic valve replacement showing asymmetrical hypertrophy in the basal septum. (C) Pulsed-wave Doppler showing mild baseline left ventricular outflow tract obstruction (23 mm Hg) without provocation and (D) continuous-wave Doppler showing severe aortic stenosis (paradoxical low-flow low-gradient). CT = computed tomography.
