what is angio
Angiography is an imaging test that makes a detailed picture (called an angiogram) of blood vessels. Angiography makes images of arteries and veins in the abdomen, brain, heart, kidneys, lungs and legs. Angiography shows blood flow and blood vessels that are obstructed, blocked, narrowed, enlarged or malformed.atheter angiography involves inserting a catheter into a blood vessel in your groin or elbow. The catheter wire is fed or guided to the appropriate area. X-rays are used to produce the angiogram (picture) of the vessel.