A raised, itchy (pruritic) area of skin that is sometimes an overt sign of allergy.
Not all wheals are alike. They may be redder or paler than the skin around them. They may vary in configuration and may be rounded or flat-topped. Wheals typically have a reddish hue. They characteristically change in size and shape and they come and go. But they are consistent at being smooth and elevated above the surrounding skin. As anyone who has had wheals knows, they can be intensely, infuriatingly itchy.
Wheals reflect circumscribed dermal edema (fluid collection in the layer of skin below the surface).
A wheal is also sometimes called a welt and often a hive.
A slang term for a patient who is wheezing. Sometimes applied to someone having serious trouble breathing.
A whistling noise in the chest during breathing. Wheezing occurs when the airways are narrowed or compressed.
The Women’s Health Initiative, a long-term health study sponsored by the National Institutes of Health (NIH) focused on strategies for preventing heart disease, breast cancer, colorectal cancer and osteoporosis in postmenopausal women.
- Whiplash injury
The victim may be first pushed or accelerated forward, pushing the body forward, but the head remains behind momentarily, rocking up and back, and some muscles and ligaments in and around the spine may be stretched or torn. These muscles, in a reflex action, contract to bring the head forward again, to prevent excessive injury. […]
- Whipple disease
A form of inability to absorb nutrients from the intestine. It can affect any part of the body, leading to arthritis and then weight loss, cough, fever, diarrhea, hypotension (low blood pressure), abdominal swelling, increased skin pigmentation, and severe anemia. Whipple disease has been discovered to be due to a type of bacteria named Tropheryma […]