What Is a Cardiac Catheterization? (Video)
A cardiac catheterization is a procedure that cardiologists (heart doctors) do. They put a catheter (a long, thin tube) into a blood vessel, then guide it the heart.
Cardiac catheterizations help doctors diagnose and treat many different heart problems.
60-Second Summary: Cardiac Catheterization
Learn the basics in 60 seconds.
Medically reviewed by: KidsHealth Medical Experts
Date reviewed: January 2023