DEFINITION Wrist pain is a common complaint. It’s often caused by sprains or fractures from sudden injuries. But wrist pain can also result from long-term problems, such as repetitive stress, arthritis and carpal tunnel syndrome. Because so many factors can…
DEFINITION Wrinkles, a natural part of aging, are most prominent on sun-exposed skin, such as the face, neck, hands and forearms. Although genetics mainly determine skin structure and texture, sun exposure is a major cause of wrinkles, especially for fair-skinned…
DEFINITION Vaginal agenesis (a-JEN-uh-sis) is a condition that develops before birth, in which the muscular canal (vagina) to your uterus fails to develop fully. When this happens, other problems also may appear. For example, you may have a small uterus…
DEFINITION Vaginal cancer is a rare cancer that occurs in your vagina — the muscular tube that connects your uterus with your outer genitals. Vaginal cancer most commonly occurs in the cells that line the surface of your vagina, which…
DEFINITION Valley fever is a fungal infection caused by coccidioides (kok-sid-e-OY-deze) organisms. It can cause fever, chest pain and coughing, among other signs and symptoms. Two species of coccidioides fungi cause valley fever. These fungi are commonly found in soil…
DEFINITION A varicocele (VAR-ih-koe-seel) is an enlargement of the veins within the loose bag of skin that holds your testicles (scrotum). A varicocele is similar to a varicose vein that can occur in your leg. Varicoceles are a common cause…
DEFINITION Vasculitis is an inflammation of your blood vessels. It causes changes in the walls of blood vessels, including thickening, weakening, narrowing and scarring. These changes restrict blood flow, resulting in organ and tissue damage. There are many types of…
DEFINITION Vasovagal syncope (vay-zoh-VAY-gul SING-kuh-pee) is one of the most common causes of fainting. Vasovagal syncope occurs when your body overreacts to certain triggers, such as the sight of blood or extreme emotional distress. The vasovagal syncope trigger causes a…
DEFINITION Ventricular fibrillation is a heart rhythm problem that occurs when the heart beats with rapid, erratic electrical impulses. This causes pumping chambers in your heart (the ventricles) to quiver uselessly, instead of pumping blood. Sometimes triggered by a heart…
DEFINITION Ventricular tachycardia is a type of heart rhythm disorder (arrhythmia) in which the lower chambers of your heart (ventricles) beat very quickly because of a problem in your heart’s electrical system. In ventricular tachycardia, your heart may not be…
DEFINITION Vaginal atrophy, also called atrophic vaginitis, is thinning, drying and inflammation of the vaginal walls due to your body having less estrogen. Vaginal atrophy occurs most often after menopause, but it can also develop during breast-feeding or at any…
DEFINITION Vesicoureteral (ves-ih-koe-yoo-REE-tur-ul) reflux is the abnormal flow of urine from your bladder back up the tubes (ureters) that connect your kidneys to your bladder. Normally, urine flows only down from your kidneys to your bladder. Vesicoureteral reflux is usually…