What is Vascular Dementia Vascular Dementia is a condition in which a person has problems with thinking, memory, and behavior that are severe enough to interfere with daily life. Vascular dementia is a type of dementia. It results from brain damage that is caused by the brain not getting enough blood. Vascular dementia usually begins …
What is Vascular Malformation Vascular malformation is a defect in the development of a blood or lymph vessel. Vascular malformations are present at birth, but they may not cause signs or symptoms until years later. Vascular malformations can occur anywhere that blood or lymph circulates in your body. Lymph is fluid that is part of …
What is Vascular Ultrasound Vascular Ultrasound is a painless test that is done to see if you have blood flow problems or clots in your blood vessels. It uses harmless sound waves to take pictures of the arteries and veins in your body. The pictures are taken by passing a device (transducer) over certain areas …
What is Vasculitis Vasculitis is inflammation of the blood vessels. With vasculitis, the blood vessels can become thick, narrow, scarred, or weak. Enough blood may not be able to flow through them. This can cause damage to the muscles, kidneys, lungs, brain, and other parts of the body. There are many types of vasculitis. The …
What is Vasectomy Vasectomy is a procedure in which the tube that carries sperm from the testicle to the urethra (vas deferens) is tied. It may also be cut. The procedure blocks sperm from going through the vas deferens and penis during ejaculation. This ensures that sperm does not go into the vagina during sex. …
What is Vasopressin Injection (ADH)? Vasopressin is a hormone that is normally made in the body. This medicine acts to lower the amount of urine that is made and to constrict small blood vessels. It is used to treat diabetes insipidus. It is also used to reduce stomach bloat for some procedures and after some …
What is Vasovagal Syncope Vasovagal syncope, which is also called neurocardiogenic syncope, is a fainting spell in which the blood flow to the brain is reduced because of a sudden drop in heart rate and blood pressure. Syncope, also called fainting or passing out, is a temporary loss of consciousness. It occurs when the blood …