Links to other sites are provided for information only – they do not constitute endorsements of those other sites. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. This site complies with the HONcode standard for trustworthy health information: verify here. Learn more about A.D.A.M.'s editorial policy editorial process and privacy policy. is among the first to achieve this important distinction for online health information and services. follows rigorous standards of quality and accountability. is accredited by URAC, for Health Content Provider (URAC's accreditation program is an independent audit to verify that A.D.A.M. Then the catheter is removed and the procedure is complete.Ī.D.A.M., Inc. Once the compression is done, dye is injected and an X-ray is taken to check for changes in the arteries. The doctor may also place a stent, a latticed metal scaffold, within the coronary artery to keep it open. This may then be repeated at each blocked or narrowed site. The doctor may inflate the balloon a few more times, each time filling it a little more to widen the passage. The balloon is inflated for a few seconds to compress the blockage against the artery wall. A balloon catheter is then guided to the blockage site. If it shows a treatable blockage, the doctor backs the catheter out and replaces it with a guiding catheter, before removing the wire.Īn even thinner wire is inserted and guided across the blockage. With the catheter at the opening of a coronary artery, the doctor injects dye and takes an X-ray. Once it's in, the doctor guides it to the aorta and removes the guide wire. The doctor passes a long narrow tube called a diagnostic catheter over the new wire, through the introducer, and into the artery. Then the original guide wire is replaced by a thinner wire. The doctor inserts a guide wire through the needle, removes the needle, and replaces it with an introducer, an instrument with two ports for inserting flexible devices. Then, the doctor puts a needle into the femoral artery, the artery that runs down the leg. PTCA, or percutaneous transluminal coronary angioplasty, is a minimally invasive procedure that opens blocked coronary arteries to improve blood flow to the heart muscle.įirst, a local anesthesia numbs the groin area.
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