What is Vagus Nerve Stimulation (VNS) Device Placement Vagus nerve stimulation device placement is surgery to put a VNS device in your chest. This device is also called a pulse generator or an implant. It is put in the left side of your chest. It sends mild electrical pulses to your vagus nerve. The vagus …
What is Valvuloplasty? Valvuloplasty is a procedure to widen one or more heart valves that are too narrow. Heart valves control blood flow between the upper chambers (atria) and lower chambers (ventricles) of the heart. Heart valves can become narrow (stenosis) and stiff due to disease, aging, infection, and other causes. This can cause the …
What is Chickenpox Vaccine (Varicella) Varicella (also called chickenpox) is a very contagious viral disease. It is caused by the varicella zoster virus. Chickenpox is usually mild, but it can be serious in infants under 12 months of age, adolescents, adults, pregnant women, and people with weakened immune systems. Chickenpox causes an itchy rash that usually lasts …
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What is Varicocele Varicocele is a swelling of veins in the scrotum. The scrotum is the sac that contains the testicles. Varicoceles can occur on either side of the scrotum, but they are more common on the left side. They occur most often in teenage boys and young men. In most cases, varicoceles are not …
What is Varicocelectomy Varicocelectomy is a procedure to treat a varicocele. A varicocele is a swelling of veins inside the pouch that holds your testicles (scrotum). You may need this surgery if a varicocele is causing pain, shrinking your testicle, or making it hard for you to father a child (infertility). Tell a health care …
What are Varicose Veins Varicose veins are veins that have become enlarged, bulged, and twisted. They most often appear in the legs. Interesting Facts Varicose veins are veins that are enlarged (more than 3-mm diameter while standing) and distorted. They are common in legs, and they are part of a spectrum of chronic venous disorders …
What is Vascular Access for Hemodialysis Vascular access is a connection to the blood inside your blood vessels that allows blood to be easily removed from your body and returned to your body during kidney dialysis (hemodialysis). Hemodialysis is a procedure in which a machine outside of the body filters the blood of a person …