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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.
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.
External bleeding is generally described in terms of the origin of the blood flow by vessel type. The basic categories of external bleeding are: Arterial bleeding: As the name suggests, blood flow originating in an artery. With this type of bleeding, the blood is typically bright red to yellowish in colour, due to the high degree of oxygenation.
Stafford described strangulation as “when a person uses their hands or an item around the neck to cut off the ability to breathe or put pressure on the throat.” ... or broken blood vessels, in ...
In the neck they may extend into the lining of the mouth cavity or into the salivary glands. [11] They are the most common of the vascular malformations. [13] A severe venous malformation can involve the lymph vessels as a lymphaticovenous malformation. [11] 3D image of an arteriovenous malformation shown in purple on the ring finger of a hand
TOS can involve only part of the hand (as in the pinky and adjacent half of the ring finger), all of the hand, or the inner aspect of the forearm and upper arm. Pain can also be in the side of the neck, the pectoral area below the clavicle, the armpit/axillary area, and the upper back (i.e., the trapezius and rhomboid area).
It manifests as small red bumps and is often accompanied by redness or broken blood vessels. It’s most common in adults over 30. Artfully79/istockphoto. Symptoms of Acne.
Bleeding, hemorrhage, haemorrhage or blood loss is blood escaping from the circulatory system from damaged blood vessels. [1] Bleeding can occur internally , or externally either through a natural opening such as the mouth , nose , ear , urethra , vagina or anus , or through a puncture in the skin .