An angiogram - also called heart catheterization, cardiac
catheterization or cardiac angiography - is a common test used to
evaluate your heart muscles, valves and coronary arteries. It can
give your doctor exact information about the way your heart
During an angiogram, a cardiologist (a heart doctor) will insert
a catheter (a thin, flexible tube) into an artery in your leg or
arm. He or she will then thread smaller catheters through it into
your blood vessels to reach your coronary arteries. This part of
the procedure is called heart or cardiac catheterization.
Once catheters are located in your coronary arteries, a small
amount of dye is injected into the catheter. The dye makes your
coronary arteries visible on a monitor. The cardiologist can then
look for narrowed or blocked arteries in your heart. The image of
your arteries is called an angiography.
You'll be awake during an angiogram. You may feel a warm,
flushed feeling when the dye is injected.
Ask your cardiologist when you will hear the results of the
If an angiogram shows a narrowed or blocked heart artery, your
cardiologist may recommend angioplasty and / or a stent.
Allina Health's Patient Education Department, Helping Your Heart, fourth edition, cvs-ahc-90648
Daniel Lips, MD, Minneapolis Heart Institute® (video); Allina Health's Patient Education Department (manual)