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Cardiac Catheterization

Cardiac catheterization is a procedure used to diagnose and treat cardiovascular conditions. During this procedure a long thin tube called a catheter is inserted in an artery or vein in your groin, neck or arm and threaded through the blood vessels to the heart. This catheter is then used by doctors to do diagnostic tests as part of cardiac catheterization. Certain heart disease treatments, like coronary angioplasty, are also done using cardiac catheterization.A coronary angiogram is the most general heart catheter procedure, which is used for diagnose heart diseases.During a coronary X ray, a sort of dye that is visible by x ray device is injected into the blood vessels of your heart. The apparatus quickly takes a series of pictures (angiograms), giving a close explore the within of your blood vessels. If necessary, your doctor will perform procedures like surgical operation throughout your coronary X ray.


Cardiac Catheterization is done to

  • Locate narrowed or blocked blood vessels that can cause chest pain.
  • Access the amount of oxygen in the heart.
  • Test the pressure inside your heart.
  • Take a tissue sample from the heart.
  • Detect congenital heart defects.
  • Detect heart valve problems.

Cardiac catheterization is sometimes used as part of some procedures to treat heart disease, and these procedures include:

  • Angioplasty with or without stent placement: This procedure involves temporarily inserting and expanding a tiny balloon to the place where the blockage is located to help widen the narrowed artery. Angioplasty in many cases is combined with implantation of a stent in the clogged artery to help prop it open.
  • Closure of holes in the heart: Congenital heart defects involving holes in the heart can sometimes be treated by threading a catheter to the hole, which help to close it.
  • Balloon valvuloplasty: This procedure involves threading a balloon-tipped catheter to the part of your heart valve that's narrowed. It opens narrowed heart valves by inflating it.
  • Repair or replace leaky heart valves: Cardiac catheterization is used by doctors to repair or replace a leaking or narrowed heart valve.
  • Heart arrhythmia treatment (ablation): In this procedure Radiofrequency energy or nitrous oxide is applied through the catheter tip to the abnormal heart tissue to destroy the abnormal heart tissue causing the heart rhythm disorder.
  • Blood clot treatment: In this procedure, the doctor inserts a catheter into an artery and guides it to a blood clot in a blood vessel.

Risks involving cardiac catheterization

  • Bruising
  • Bleeding
  • Heart attack
  • Irregular heart rhythms (arrhythmias)
  • Allergic reactions to the dye or medication
  • Tearing the tissue of your heart or artery
  • Kidney damage
  • Infection
  • Blood clot