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Angiogram in a dog with vavlular pulmonic stenosis

A catheter is placed in the right ventricle via a vein in the neck (jugular). Contrast is then injected (shows black on this movie) through the catheter to highlight the inside of the right heart, pulmonic stenosis and the pulmonary arteries. The still movie shows a frame demonstrating the pinching effect of the stenotic valve (arrowed). In addition the thickened muscle of the right ventricle also causes a pinching effect of the blood flow (arrow-head).

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