During a valvuloplasty, a catheter is threaded through a vein to the heart where a balloon is used to open a stiff valve. Once opened, the balloon and catheter are removed.
Vascular studies use ultrasound (sound wave) technology to assess the flow of blood in arteries and veins in the arms, legs, and neck.
|Venography (Lower Limb Venography)
A combination of contrast dye and X-rays are used to visualize the veins in the legs in order to diagnose deep vein thrombosis and other conditions.
Vertebroplasty is a procedure in which a special medical-grade cement mixture is injected into a fractured vertebra
Vasectomy is surgical procedure you may choose if you are a man and you do not want to father any more children. The word "vasectomy" comes from the two tubes called the "vas deferens" that are cut during the operation.
|Varicella-Zoster Virus Antibody
This test looks for antibodies in your blood that your body makes against the varicella-zoster virus. The virus causes chickenpox and shingles.
This test looks for signs of neurosyphilis in your cerebrospinal fluid. Neurosyphilis happens when syphilis isn't treated and spreads to the spinal cord and brain.
|Vascular Endothelial Growth Factor
This test measures the amount of a substance in your body that helps new blood vessels form. The test can help monitor cancer treatment.
This test checks to see whether an infection is caused by a bacterium or a virus. It can also tell which specific virus is causing your infection.