![]() The doctor guides the tube or tubes to the heart. To do cardiac catheterization, a doctor inserts one or more flexible, hollow tubes called catheters into a blood vessel, usually in the groin or wrist. Or you may be given a combination of medicines to put you in a sleep-like state. You may be fully awake or lightly sedated. The amount of sedation needed for cardiac catheterization depends on the reason for the procedure and your overall health. The medicine helps you feel relaxed, calm or sleepy. Medicine called a sedative goes through the IV. During the procedureĪ health care professional places an IV into your forearm or hand. The computer constantly checks your heartbeat.Ī member of your health care team may shave any hair from the area where the catheter will go. Sticky patches go on your chest and sometimes your arms or legs. Your health care team checks your blood pressure and pulse. You may be asked to use the toilet to empty your bladder. The room is often called a cath lab, which is short for cardiac catheterization lab.īefore you go into the room, your health care team helps you get ready. Your health care team will give you instructions on what to do if you need this procedure.Ĭardiac catheterization is usually done in a hospital room with special X-ray and imaging machines. Some types of contrast may increase the risk of side effects of some diabetes medicines, including metformin. Sometimes dye, called contrast, is used during cardiac catheterization. Let your health care team know if you have diabetes.For example, your doctor may tell you to briefly stop taking any blood thinners, such as warfarin (Jantoven), aspirin, apixaban (Eliquis), dabigatran (Pradaxa) and rivaroxaban (Xarelto). Some medicines may need to be temporarily stopped before cardiac catheterization. ![]() ![]() Tell your health care team about all the medicines you take.You usually can have something to eat and drink soon after the procedure. Food or liquids in the stomach can increase the risk of complications from medicines used to put you in a sleep-like state during the procedure. Do not eat or drink anything for at least six hours before your test, or as told by your health care team.Some things you might have to do before cardiac catheterization are: Your health care team tells you how to plan for your specific procedure. If you are pregnant or planning to become pregnant, tell your health care team before having cardiac catheterization. Allergic reactions to the contrast dye or medicines.Damage to the artery, heart or the area where the catheter was inserted.Major complications of cardiac catheterization are rare.īut possible risks of cardiac catheterization may include: Pulmonary atresia with ventricular septal defect.Pulmonary atresia with intact ventricular septum.Cardiac catheterization care at Mayo Clinic.Check the blood vessels for blood clots.Ĭardiac catherization may be done at the same time as other heart procedures or heart surgery.Take a sample of tissue from your heart for examination under a microscope.Measure pressure and oxygen levels in different parts of the heart.Look for narrowed or blocked blood vessels that could cause chest pain.Damage to the walls and inner lining of tiny blood vessels in the heart, called small vessel disease or coronary microvascular disease.ĭuring cardiac catheterization, a doctor can:.You might need cardiac catheterization if you have, or your doctor thinks you have: Irregular heartbeats, called arrhythmias.For example, your doctor may suggest cardiac catheterization if you have: Cardiac catheterization is a common method to diagnose or treat a variety of heart problems.
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