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KMID : 0390620130210020090
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Journal of Cardiovascular Ultrasound
2013 Volume.21 No. 2 p.90 ~ p.93
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Flail Subaortic Membrane Mimicking Left Ventricular Outflow Tract Obstruction in Hypertrophic Cardiomyopathy
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Ahn Kye-Taek
Lee Young-Dal
Choi Ung-Lim
Jin Seon-Ah
Park Soo-Jin
Kim Jun-Hyeong
Park Jae-Hyeong
Lee Jae-Hwan
Choi Si-Wan
Jeong Jin-Ok
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Abstract
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A subaortic membrane is an uncommon cause for left ventricular outflow tract obstruction. Hypertrophic cardiomyopathy with dynamic left ventricular outflow tract obstruction would mask the presence of the subaortic membrane on transthoracic echocardiography and cause a false diagnosis. We report a patient with subaortic stenosis due to flail subaortic membrane misdiagnosed as obstructive hypertrophic cardiomyopathy on transthoracic echocardiography, identified on transesophageal echocardiography and cardiac catheterization.
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KEYWORD
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Subaortic membrane , Hypertrophic cardiomyopathy , Transesophageal echocardiography
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