nosebleed

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nosebleed,

nasal hemorrhagehemorrhage
, escape of blood from the circulation (arteries, veins, capillaries) to the internal or external tissues. The term is usually applied to a loss of blood that is copious enough to threaten health or life.
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 occurring as the result of local injury or disturbance. Most nosebleeds are not serious and occur when one of the small veins of the septum (the partition between the nostrils) ruptures. These will usually stop without treatment or when pressure is applied to the nose. A nosebleed may also occur in association with infections, heart failure, hypertensionhypertension
or high blood pressure,
elevated blood pressure resulting from an increase in the amount of blood pumped by the heart or from increased resistance to the flow of blood through the small arterial blood vessels (arterioles).
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 (high blood pressure), arteriosclerosisarteriosclerosis
, general term for a condition characterized by thickening, hardening, and loss of elasticity of the walls of the blood vessels. These changes are frequently accompanied by accumulations inside the vessel walls of lipids, e.g.
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, scurvyscurvy,
deficiency disorder resulting from a lack of vitamin C (ascorbic acid) in the diet. Scurvy does not occur in most animals because they can synthesize their own vitamin C, but humans, other primates, guinea pigs, and a few other species lack an enzyme necessary for such
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, leukemialeukemia
, cancerous disorder of the blood-forming tissues (bone marrow, lymphatics, liver, spleen) characterized by excessive production of immature or mature leukocytes (white blood cells; see blood) and consequently a crowding-out of red blood cells and platelets.
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, hemophiliahemophilia
, genetic disease in which the clotting ability of the blood is impaired and excessive bleeding results. The disease is transmitted through females but almost invariably affects male offspring only.
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, and other disorders. Persistent nosebleeds should be brought to the attention of a physician, who can stop the bleeding with vasoconstrictors and topical anesthetics.

nosebleed

bleeding from the nose, as the result of injury, etc.
References in periodicals archive ?
Nosebleed doesn't stop after 10 minutes of home treatment.
After two months, she was breathing significantly better; and the nosebleeds had diminished in frequency and quantity, tapering to once weekly and then stopping altogether after approximately three months.
Typical symptoms include regular nosebleeds and visible red spots on the body
"Which one of you has nosebleeds?" she remembers the hematologist asking.
Usually, nosebleeds are not a serious medical problem, but if the bleeding lasts more than 20 minutes, go to the emergency room.
Arbroath assistant boss Iain Campbell joked David Gold may have got a nosebleed from being so far forward as his second-half winner moved his side into a League One play-off spot.
For most of us, nosebleeds are an occasional excitement but nothing to worry about.
Similar to the psychic girl who gets nosebleeds when she uses her powers, the candle holder 'bleeds' through the nostrils as the candle on its head melts.
Nevertheless, it is important to try to make the distinction since posterior nosebleeds are often more severe and almost always require the physician's care.
Prudential, a corporate tenant, and other employees in a newly constructed 24-story office building went to court after experiencing symptoms ranging from nosebleeds to respiratory problems as a result of exposure to toxic particles in building materials.
Nosebleeds are most common during childhood, when they're usually insignificant and easily stopped.