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pɪˈtiːkɪə. Specialty. Rheumatology. A petechia (/ pɪˈtiːkiə /; [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]
Hemostasis. In biology, hemostasis or haemostasis is a process to prevent and stop bleeding, meaning to keep blood within a damaged blood vessel (the opposite of hemostasis is hemorrhage). It is the first stage of wound healing. Hemostasis involves three major steps: vasoconstriction.
Subconjunctival bleeding, also known as subconjunctival hemorrhage or subconjunctival haemorrhage, is bleeding from a small blood vessel over the whites of the eye. It results in a red spot in the white of the eye. [1] There is generally little to no pain and vision is not affected. [2][3] Generally only one eye is affected.
Nazar (amulet) Eye beads or nazars – amulets against the evil eye – for sale in a shop. An eye bead or naẓar (from Arabic نَظَر [ˈnaðˤar], meaning 'sight', 'surveillance', 'attention', and other related concepts) is an eye-shaped amulet believed by many to protect against the evil eye. The term is also used in Azerbaijani ...
Tamponade (/ ˌtæm.pəˈneɪd / [1]) is the closure or blockage (as of a wound or body cavity) by or as if by a tampon, especially to stop bleeding. [2] Tamponade is a useful method of stopping a hemorrhage. This can be achieved by applying an absorbent dressing directly into a wound, thereby absorbing excess blood and creating a blockage, or ...
Cauterization (or cauterisation, or cautery) is a medical practice or technique of burning a part of a body to remove or close off a part of it. It destroys some tissue in an attempt to mitigate bleeding and damage, remove an undesired growth, or minimize other potential medical harm, such as infections when antibiotics are unavailable.
Cutman Jacob "Stitch" Duran administers treatment to fighter Wladimir Klitschko. A cutman is a person responsible for preventing and treating physical damage to a fighter during the breaks between rounds of a full contact match such as a boxing, kickboxing or a mixed martial arts bout. Cutmen typically handle swelling, nosebleeds and lacerations.
Ancient Greek painting on a vase, showing a physician (iatros) bleeding a patient. Bloodletting (or blood-letting) is the withdrawal of blood from a patient to prevent or cure illness and disease. Bloodletting, whether by a physician or by leeches, was based on an ancient system of medicine in which blood and other bodily fluids were regarded ...