an angiogram involves the injecting of contrast dye into a vessel (and xrays to see the resulting picture)...artery or vein...it could be anywhere...leg, brain, heart, etc. more specifically, they are called arteriogram and venogram. in a left heart cath, a catheter in threaded to the coronary arteries, usually with a femoral entry site in my ccl, and c. dye is injected/xrays done, allowing visualization of the size/regularity of the vessels. in a right heart cath, a pulmonary artery catheter/swn ganz catheter in threaded via the venous system into the ra/rv/then the pa and wedges in the pa...pressures are checked along the way. a left
heart cath does not mean they will go in the left
groin or right
heart cath...into the right
groin. hope this helps...