Translation of "catheterism" into Spanish

I would like to order a catheterization and angiogram of your renal arteries to rule out any stenosis.

Me gustaría pedir un cateterismo y una angiografía de las arterias renales para descartar cualquier estenosis.

Um, the cardiac catheterization is less invasive, but you'd be at an increased risk for very serious complications.

Em, la cateterización cardíaca es menos invasiva, pero tendras un augmento de riesgo y complicaciones