Cardiac catheterization study was performed in this patient with tetralogy of fallot. The aim was to assess the status of the pulmonary arteries.

Pigtail catheter was passed via inferior venacava to right atrium to right ventricle to main pulmonary artery. Injection was taken.

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tetralogy of fallot angiogram 1

This shows adequately sized main, right and left pulmonary arteries. In levophase, left sided chambers can be seen filling.

Pigtail catheter was passed through femoral artery to aortic root to left ventricle and injection was made.

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This left ventriculogram in LAO view shows aortic override and a large subaortic VSD. Dye can be seen entering the right ventricle.The override is about 50%.