Venography is a diagnostic procedure that allows your doctor to see the condition of your veins and determine how healthy they are. It is most commonly used to view veins in the legs or arms.
Although an ultrasound is frequently used to look for deep vein thrombosis (DVT), a venogram is sometimes used to look for these blood clots. It is also used to detect abnormalities of the veins or other health problems such as where a pulmonary embolism originated.
How Venography Works
For this procedure, the doctor will insert an intravenous line (IV) into a vein in the foot. The IV line is used to inject contrast dye. As the dye moves through the legs, a fluoroscopic, or continuous X-ray, will take pictures at timed intervals.
Venography is performed as an outpatient procedure or as part of your hospital stay if you have already been admitted.
After the procedure, the provider will flush the IV site and remove the needle from the vein. They will continue to monitor your heart rate, breathing rate and blood pressure, as well as check the pulses in your feet, temperature color and sensation in your legs.
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