Cinefluroscopy showed a large, pulsatile, translucent opacity in the main pulmonary artery with a shape similar to the pulmonary artery. The inferior part of the opacity showed the bulge due to the pulmonary valve movement during the ventricular contraction. The opacity showed alternate expansion and contraction during ventricular systole and diastole, respectively. Fluoroscopy showed a pigtail catheter in the aortic root and a Brockenbrough needle with a dye injection in the left atrium during balloon mitral valvotomy. However, we pulled back the Brockenbrough needle in the right atrium at the onset of dyspnea, and inserted a 6F Judkins Right catheter in the right atrium for the dyspnea (visible at the end of the video).
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