心导管检查 involves passing a thin flexible tube (catheter) into the right or left side of the heart. The catheter is most often inserted from the groin or the arm.
Catheterization - cardiac; Heart catheterization; Angina - cardiac catheterization; CAD - cardiac catheterization; 冠状动脉疾病 - cardiac catheterization; Heart valve - cardiac catheterization; Heart failure - cardiac catheterization
You will get medicine before the test to help you relax.
The health care provider will clean a site on your arm, 脖子, or groin and insert a line into one of your veins. 这被称为静脉注射(IV)线.
A larger thin plastic tube called a sheath is placed into a vein or artery in your leg or arm. Then longer plastic tubes called catheters are carefully moved up into the heart using live
- Measure pressure and blood flow in the heart's chambers and in the large arteries around the heart
- Measure the oxygen in different parts of your heart
对于一些程序, you may be injected with a dye that helps your provider to visualize the structures and vessels within the heart.
If you have a blockage, you may have 血管成形术 and a stent placed during the procedure.
测试可能持续30到60分钟. If you also need special procedures, the test may take longer. 如果导管在腹股沟, you will often be asked to lie flat on your back for a few to several hours after the test to avoid bleeding.
You will be told how to take care of yourself
You should not eat or drink for 6 to 8 hours before the test. The test takes place in a hospital and you will be asked to wear a hospital gown. Sometimes, you will need to spend the night before the test in the hospital. Otherwise, you will come to the hospital the morning of the procedure.
Your provider will explain the procedure and its risks. A witnessed, signed consent form for the procedure is required.
- Are allergic to seafood or any medicines
- Have had a bad reaction to contrast dye or iodine in the past
- Take any medicines, including Viagra or other drugs for
The study is done by cardiologists and a trained health care team.
You will be awake and able to follow instructions during the test.
You may feel some discomfort or pressure where the catheter is placed. You may have some discomfort from lying still during the test or from lying flat on your back after the procedure.
This procedure is most often done to get information about the heart or its blood vessels. It may also be done to treat some types of heart conditions, or to find out if you need heart surgery.
Your doctor may perform cardiac catheterization to diagnose or evaluate:
充血性心力衰竭or 心肌病 冠状动脉疾病 心脏缺陷在出生时就存在(先天的)
The following procedures may also be done using cardiac catheterization:
- Open blocked arteries or grafts in the heart (
心导管检查 carries a slightly higher risk than other heart tests. However, it is very safe when done by an experienced team.
Possible complications of any type of catheterization include the following:
- Bleeding, infection, and pain at the IV or sheath insertion site
- Kidney damage due to the contrast dye (more common in people with diabetes or kidney problems)
本杰明IJ. Diagnostic tests and procedures in the patient with cardiovascular disease. In: 本杰明IJ, Griggs RC, Wing EJ, Fitz JG, eds. Andreoli and Carpenter's Cecil Essentials of Medicine. 9日艾德. Philadelphia, PA: Elsevier Saunders; 2016:chap 4.
赫曼J. 心导管检查. In: Zipes DP, Libby P, Bonow RO, Mann DL, Tomaselli GF, Braunwald E, eds. Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine. 11日艾德. Philadelphia, PA: Elsevier; 2019:chap 19.
Kern米. 导管插入术和血管造影术. 摘自:高盛L, Schafer AI, eds. Goldman-Cecil医学. 25日,艾德. Philadelphia, PA: Elsevier Saunders; 2016:chap 57.
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