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Imaging Features of PRKAG2 Syndrome
(A) Transthoracic echocardiogram parasternal long-axis view demonstrating diffuse left ventricular hypertrophy. (B) Continuous-wave Doppler interrogation of the left ventricular outflow tract demonstrating a peak resting gradient of 47 mm Hg. Cardiac magnetic resonance imaging showing (C) significant left ventricular hypertrophy and (D) late gadolinium enhancement demonstrating myocardial fibrosis within hypertrophied left ventricular segments.
