Ama-Catheter e-Angiography Zivame ukusetshenziselwa ukuhlolwa kwezithombe zemithambo yegazi yenhliziyo, imithambo yegazi engaphandle, kanye nezinhlelo zemithambo yegazi. Zifaka ama-contrast agents emithanjeni yegazi ukusiza odokotela ukuthi babone ngokucacile isakhiwo somzimba kanye nezilonda zemithambo yegazi, okuhlinzeka ngesisekelo esibalulekile sokuxilongwa nokwelashwa.