Non-invasive diagnosis of a right coronary artery-right ventricle fistula by Doppler echocardiography] |
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Authors: | J Salazar L Placer A Artal |
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Institution: | Sección de Cardiología Pediátrica, Hospital Miguel Servet, Zaragoza. |
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Abstract: | A six-year-old girl with an atypical continuous precordial murmur, was suspected of having a coronary arteriovenous fistula. A markedly dilated right coronary artery was revealed by two-dimensional echocardiography. The pulsed Doppler examination showed a diastolic retrograde flow in the ascending aorta, with a normal flow in the left ventricular outflow tract. With the sample volume in the right ventricle a continuous turbulent flow was observed. Color flow mapping showed a turbulent, systolic-diastolic flow in the right ventricle. The fistula was confirmed by cardiac catheterization. |
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