Angiography

Angiography
Definition
Angiography is the x-ray study of the blood vessels. An angiogram uses a radiopaque substance, or dye, to make the blood vessels visible under x ray.
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Angiography, fluorescein: A test to examine blood vessels in the retina, choroid, and iris of the eye. A special dye is injected into a vein in the arm and pictures are taken as the dye passes through the blood vessels in the eye.
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Aortic angiography takes place in a radiology department or cardiac diagnostics laboratory. You are given a sedative to relax before the procedure, but you are awake and able to follow instructions during the test.
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Angiography is done to:
Evaluate possible problems with blood vessels that affect blood flow.
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Angiography is one of the most useful and accurate tools in diagnosing and evaluating certain cardiovascular problems.
Who is angiography for?
Your doctor may recommend that you undergo coronary angiography if: ...
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Cardiac angiography; Angiography - heart
How the test is performed:
Coronary angiography is usually performed in conjunction with cardiac catheterization. You will be given a mild sedative prior to the test to help you relax.
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Cerebral Angiography
Alternate Names
: Angiography - Head, Carotid Angiogram, Vertebral Angiogram
Definition ...
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Transhepatic cholangiography is a safe procedure when performed by experienced and appropriately trained interventional radiologists. Like any other invasive procedure, complications and side effects can occur.
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Cholangiography (X-rays of the bile ducts), which can also be done after dye is injected into the liver. This enables doctors to watch the flow of bile as it drains from the liver.
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Lymphangiography: A procedure used to x-ray the lymph system. A dye is injected into the lymph vessels in the feet. The dye travels upward through the lymph nodes and lymph vessels, and x-rays are taken to see if there are any blockages.
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lymphangiography (lim-FAN-jee-AH-gra-fee)
An x-ray study of the lymphatic system. A dye is injected into a lymphatic vessel and travels throughout the lymphatic system. The dye outlines the lymphatic vessels and organs on the x-ray.
lymphangiosarcoma ...
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Spyglass angiography catheter Smaller 5-French size catheter has been added to the Spyglass product line of angiography catheters; previously available in size 6 French. Mfg: Daig division of St. Jude Medical. Source: PR Newswire - 2/01/99.
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percoid; percoidea; percolation; percolator; Percoll; percomorphi; percomorph oil; per contiguum; per continuum; percuss; percussion; percussion sound; percussion wave; percussor; percutaneous; percutaneous absorption; percutaneous cholangiography; ...
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Before surgery, your health care provider will ask you to sign a consent form for angioplasty, bypass surgery, and angiography.
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Angiography of the head
EEG may reveal focal (localized) abnormalities.
Examination of tissue removed from the tumor during surgery or CT scan-guided biopsy is used to confirm the exact type of tumor.
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A special type of magnetic resonance scan (called magnetic resonance angiography [MRA]) is used to produce images of blood vessels (e.g., arteries, veins).
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Ideally, a more sophisticated test called pulmonary angiography should be done, but in the UK many hospitals don't have this facility.
Ultrasound scans, CT or MRI scans and another type of test called a D-dimer test may also be used.
Treatment ...
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