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Skin tone: Discoloration caused by bruises is more prominent in lighter complexions. Diseases: Coagulation, platelet and blood vessel diseases or deficiencies can increase bruising due to more bleeding. Location: More extensive vascularity causes more bleeding. Areas such as the arms, knees, shins and the facial area are especially common ...
Livedo reticularis is a common skin finding consisting of a mottled reticulated vascular pattern that appears as a lace-like purplish discoloration of the skin. [1] The discoloration is caused by reduction in blood flow through the arterioles that supply the cutaneous capillaries, resulting in deoxygenated blood showing as blue discoloration ().
An ecchymosis is a hematoma of the skin larger than 10 mm. [2] They may occur among and or within many areas such as skin and other organs, connective tissues, bone, joints and muscle. A collection of blood (or even a hemorrhage) may be aggravated by anticoagulant medication (blood thinner).
Blood usually oozes from the forehead, nails, umbilicus, and other skin surfaces. In addition, oozing from mucocutaneous surfaces causing nosebleeds, blood-stained tears, and vicarious menstruation are common. [2] The episodes may be preceded by intense headache and abdominal pain and are usually self-limiting. In some conditions, the secreted ...
A nosebleed, also known as epistaxis, is an instance of bleeding from the nose. [1] Blood can flow down into the stomach, and cause nausea and vomiting. [8] In more severe cases, blood may come out of both nostrils. [9] Rarely, bleeding may be so significant that low blood pressure occurs. [1]
Scleroderma is caused by genetic and environmental factors. [ 4 ] [ 5 ] [ 17 ] [ 18 ] Mutations in HLA genes seem to play a crucial role in the pathogenesis of some cases; likewise silica , aromatic and chlorinated solvents, ketones , trichloroethylene , welding fumes, and white spirits exposure seems to contribute to the condition in a small ...
The rash may cause bumps on the skin that look somewhat like insect bites, usually red, sometimes white in the centre. [citation needed] Septicemic plague is caused by horizontal and direct transmission. [5] Horizontal transmission is the transmitting of a disease from one individual to another regardless of blood relation.
Ulceration, oozing, bleeding or thin blood vessels may be present in a papule. [6] It can be soft or firm and its surface may be rough or smooth. [2] Some have crusts or scales. [2] A papule can be flesh colored, yellow, white, brown, black, blue or purplish, or varying shades of red.
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