A CT Venography procedure helps doctors to get a close view of the blood flow through the veins in the body and to diagnose any blocks or clots.
What is CT Venography?
CT Venography is an advanced imaging procedure that is performed by using a contrast and Computed Tomography scan. CT Venography aids physicians in evaluating the functioning of the veins, identify any clots or blocks, assess varicose veins before surgery and insert an IV or stent into the veins.
How is CT Venography Performed?
CT Venography is a minimally invasive procedure. It involves the following steps:
- The patient lies down on the CT examination table.
- The radiologist or physician will insert a catheter into the vein and inject a contrast.
- As the contrast material travels through the veins, several images are taken by the CT scanner.
CT Venography is a fast and accurate procedure that takes around 90 minutes.
Side-effects of CT Venography
CT Venography is a safe procedure. Some side-effects are:
- Allergic reaction to the contrast.
- Pain at the site of IV.
- Exposure to radiation.
- Blood clot due to Venography.
- Damage to the kidneys caused by the contrast used for CT Venography.
- Risk of infection from the catheter or needle.
Preparation before Performing CT Venography
CT Venography is a simple imaging test, which does not require much preparation.
- Inform your doctor if you are pregnant or nursing.
- Disclose medical history, health issues, and allergies to the doctor.
- Fast for several hours before the CT Venography procedure.
- Drink only clear liquids before an hour of the procedure.
- Follow the advice of the doctor about discontinuing the use of certain medications before the test.
Post-care after CT Venography
Patients do not require any specific post-care after the CT Venography procedure.
- Patients are kept under observation for some time after CT Venography.
- Follow the instructions of the physician about medications to use after the procedure.
- Consume plenty of fluids to flush out the contrast.
- Report any symptoms of allergy to the doctor.
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