A renal angiogram is an imaging examination to look at the blood vessels in your kidneys. Your healthcare provider could use it to look at the ballooning of a blood vessel (aneurysm), narrowing of a blood vessel (stenosis), or blockages in a blood vessel. She or he could also see how well blood is flowing to your kidneys.
You could require a renal angiogram to assist your healthcare provider find problems in the blood vessels of your kidneys. These problems could include:
1) Bulging of a blood vessel (aneurysm)
2) Narrowing of a blood vessel (stenosis)
3) Spasm of a blood vessel (vasospasm)
4) An abnormal connection between arteries and veins (arteriovenous malformation)
5) Blood clot (thrombosis)
6) Blockage (occlusion)
You could also require a renal angiogram to facilitate your provider diagnose:
2) Bleeding (hemorrhage)
3) Complications from a kidney transplant
You could require a renal angiogram if another test like a CT scan or MRI did not give your provider enough information.
Your healthcare provider could have other reasons to recommend a renal angiogram.
A renal angiogram is an imaging examination to look at the blood vessels in your kidneys. Then he or she uses X-ray images to watch the dye as it flows through the blood vessels in the kidneys. X-rays use a little amount of radiation to make images of your bones and internal organs. A renal angiogram is one type of X-ray.
You may have a renal angiogram as an outpatient procedure or as part of your stay in a hospital. The way the checkup is done could very rely on your condition and your healthcare provider’s practices.
Normally, a renal angiogram follows this process:
1) You will be asked to remove any clothing, jewelry, or other objects that might get in the way of the test.
2) If you are asked to remove clothing, you will be given a gown to wear.
3) You will be asked to empty your bladder before the test.
4) You will lie on the X-ray table.
5) An intravenous (IV) line will be started in your arm or hand.
6) You will be connected to an electrocardiogram (ECG) monitor. It will record the electrical activity of your heart during the test. Medical staff will watch your heart rate, blood pressure, and breathing rate during the test.
7) The radiologist will check your pulses under the injection site for the contrast dye. She or he will use a marker to note them. This is so that staff can check the circulation to the limb under the site after the test.
8) The nurse or technician will shave the skin in an area of your groin. She or he will clean the skin and inject the local pain drug. The radiologist will put a needle into an artery in your groin. Occasionally an artery in the elbow area could be used instead.
9) The radiologist will put a long thin tube (catheter) into the artery. She or he will move the catheter into the aorta near the renal arteries. The radiologist will use fluoroscopy to see where the catheter is.
10) The radiologist will inject the contrast dye. You could feel a flushing sensation, a salty or metallic taste in the mouth, a brief headache, or nausea or vomiting. These effects ordinarily last for a few moments.
11) Tell the radiologist if you have trouble breathing, or if you have sweating, numbness, or heart palpitations.
12) The radiologist will take several sets of X-rays pictures. The first set displays the arteries. The second set displays the bloodstream in the capillaries and veins.
13) Rely on the study being done, you could require more injections of contrast dye.
14) Once the test is done, the radiologist will remove the catheter. She or he will put pressure on the site to keep the artery from bleeding.
15) After the bleeding stops, she or he will put a dressing on the site. The radiologist could put something heavy on the site for some time. This will assist stop bleeding and keep blood from collecting (hematoma) at the site.
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