Cardiac catheterization is a medical procedure that involves inserting a catheter through the veins or arteries into the heart. There are various synonyms for this procedure, including Coronary Angiogram, Cardiac Cath, Heart Catheterization, Coronary Arteriogram, and Cardiac Angiography. These terms are all used interchangeably and refer to the same medical diagnostic technique. While they may differ slightly in their emphasis, their meaning remains the same-examining the heart's blood vessels and blood flow to diagnose and treat heart-related conditions. Regardless of the term used, cardiac catheterization is a crucial procedure for diagnosing and treating a range of heart disorders, making it a vital tool in the field of cardiology.