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An affected part turning white, then blue, then red, burning [2] Complications: skin sores, gangrene [2] Usual onset: 15–30 year old, typically females [3] [4] Duration: Up to several hours per episode [2] Risk factors: Cold, emotional stress [2] Diagnostic method: Based on the symptoms [3] Differential diagnosis: Causalgia, erythromelalgia ...
Welts on the hand and forearm. A welt is a bloodshot stripe on the skin. They are hematoma, a special form of a bruise. Welts occur when blunt force is applied to the body with elongated objects without sharp edges. Like other haematomas, welts change their colors as they heal, which usually takes two to four weeks.
A demonstration of red-eye correction. The red-eye effect in photography is the common appearance of red pupils in color photographs of human eyes. It occurs when using a photographic flash at low lighting or at night. When a flash passes through the eyes and rebounds at the back of the eye, it causes a red reflex in an image, turning the subject's
Bruise colors vary from red, blue, or almost black, depending on the severity of broken capillaries or blood vessels within the bruise site. Broken venules or arterioles often result in a deep blue or dark red bruise, respectively. Darker colored bruises may result from a more severe bleeding from both blood vessels.
Retinitis pigmentosa, mid stage. Kearns and Sayre described patients with "pigmentary degeneration" on funduscopy, night vision abnormalities, and some histologic similarities, but also clinical differences, to retinitis pigmentosa [2] Subsequently, the retinal phenotype of KSS was described as retinitis pigmentosa, atypical retinitis pigmentosa, tapetoretinal degeneration, salt-and-pepper ...
Cushing's syndrome is a collection of signs and symptoms due to prolonged exposure to glucocorticoids such as cortisol. [4] [9] [10] Signs and symptoms may include high blood pressure, abdominal obesity but with thin arms and legs, reddish stretch marks, a round red face due to facial plethora, [11] a fat lump between the shoulders, weak muscles, weak bones, acne, and fragile skin that heals ...
After about two weeks, the red spot on your eye should disappear. Learn more about weird changes in your body—read up on 42 strange symptoms that signal serious disease . Originally Published on ...
A petechia (/ p ɪ ˈ t iː k i ə /; [1] pl.: petechiae) is a small red or purple spot (≤4 mm in diameter) that can appear on the skin, conjunctiva, retina, and mucous membranes which is caused by haemorrhage of capillaries. [2] [3] The word is derived from Italian petecchia 'freckle', of obscure origin. [1]