stroke

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Related to Cerebral haemorrhage: cerebral hemorrhage

stroke,

destruction of brain tissue as a result of intracerebral hemorrhage or infarctioninfarction,
blockage of blood circulation to a localized area or organ of the body resulting in tissue death. Infarctions commonly occur in the spleen, kidney, lungs, brain, and heart.
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 caused by thrombosisthrombosis
, obstruction of an artery or vein by a blood clot (thrombus). Arterial thrombosis is generally more serious because the supply of oxygen and nutrition to an area of the body is halted.
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 (clotting) or embolusembolus
, foreign matter circulating in and obstructing a blood vessel. It may be a portion of a clot that has separated from the wall of a vessel (see thrombosis), a bubble of gas or air (known as an air embolus), a globule of fat, a clump of bacterial matter, or a clump of
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 (obstruction in a blood vessel caused by clotted blood or other foreign matter circulating in the bloodstream); formerly called apoplexy. Cerebral hemorrhage or thrombosis occurs most often in elderly persons with constricted arteries (see 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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), although either may also be caused by inflammatory or toxic damage to the cerebral blood vessels. Cerebral embolism may occur at any age, even in children.

Symptoms of stroke develop suddenly. In cases of severe brain damage there may be deep coma, paralysis of one side of the body, and loss of speech, followed by death or permanent neurological disturbances after recovery. If the brain damage sustained has been slight, there is usually complete recovery, but most survivors of stroke require extensive rehabilitation. 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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, which is a major cause of intracranial hemorrhage and stroke, can be treated by preventive measures using diet (e.g., increasing nutrients such as antioxidants and folate), drug therapy, and stress reduction techniques. Other preventive measures for people at high risk include daily aspirin to retard clot formation and surgical correction of the narrowed carotid artery. Sometimes surgical removal of the clot is possible on larger vessels, but it is usually pointless after the stroke or when blockage is widespread. The thrombolytic drugthrombolytic drug
or clot-dissolving drug,
substance, such as streptokinase or tissue plasminogen activator (tPA), that causes the breakdown of blood clots (see thrombosis) that obstruct the flow of blood through the vessels.
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 tissue plasminogen activator, widely used to treat heart attacks, has been approved for use within three hours of the onset of strokes caused by clots.

stroke

[strōk]
(computer science)
In optical character recognition, straight or curved portion of a letter, such as is commonly made with one smooth motion of a pen. Also known as character stroke.
That segment of a printed or handwritten character which has been temporarily isolated from other segments for the purpose of analyzing it, particularly with regard to its dimensions and relative reflectance. Also known as character stroke.
(electronics)
The penlike motion of a focused electron beam in cathode-ray-tube diplays.
(mechanical engineering)
The linear movement, in either direction, of a reciprocating mechanical part. Also known as throw.
(medicine)
A sudden cerebrovascular accident.

stroke

strokeclick for a larger image
The linear distance the piston moves inside the cylinder from top to bottom in a reciprocating engine.

stroke

1. Pathol apoplexy; rupture of a blood vessel in the brain resulting in loss of consciousness, often followed by paralysis, or embolism or thrombosis affecting a cerebral vessel
2. a pulsation, esp of the heart
3. Sport the act or manner of striking the ball with a racket, club, bat, etc.
4. any one of the repeated movements used by a swimmer to propel himself through the water
5. a manner of swimming, esp one of several named styles such as the crawl or butterfly
6. 
a. any one of a series of linear movements of a reciprocating part, such as a piston
b. the distance travelled by such a part from one end of its movement to the other
7. a single pull on an oar or oars in rowing
8. manner or style of rowing
9. the oarsman who sits nearest the stern of a shell, facing the cox, and sets the rate of striking for the rest of the crew
www.neuro.wustl.edu/stroke
http://209.107.44.93/NationalStroke/default.htm

stroke

The oblique stroke character, "/", ASCII 47.

See ASCII for other synonyms.

stroke

(1) In printing, the weight, or thickness, of a character. For example, in the LaserJet, one of the specifications of the font description is the stroke weight from lightest to boldest. See stroke weight.

(2) In computer graphics, a pen or brush stroke. The stroke function lets you set the width of the line being drawn.
References in periodicals archive ?
Here, we describe the perioperative management of pheochromocytoma resection and enterolysis in a 5-year-old boy with cerebral haemorrhage and intestinal obstruction.
CT scans were analysed independently by a general radiologist at Kilimanjaro Christian Medical Centre, Tanzania (AJ) and a neuro-radiologist from Newcastle General Hospital, UK (DM), and the diagnoses of ischaemic stroke and cerebral haemorrhage were compared.
In summary, this case report highlights that cerebral haemorrhage happens in association with pregnancy and that decreased consciousness in the parturient needs to be investigated with this potential in mind.
In order to minimize the risks of cerebral haemorrhage the initial treatment should be with aspirin until, for example, the majority of the stroke deficit has resolved or, in the case of more severe strokes, more than 2 weeks have elapsed.
EGPA can rarely present as intra cerebral haemorrhage which is usually a solitary lesion.
True (A) or false (B)--click on the correct answer: Cerebral haemorrhage is the commonest kind of stroke.
The coroner gave the cause of death as a cerebral haemorrhage.
Professor Leslie Norris, 84, died of a cerebral haemorrhage in Utah, where he had lived for the past 23 years.
The 46-year-old - best known for his two-million selling hit A Girl Like You - suffered his first cerebral haemorrhage in February As the acclaimed songwriter began to recover, he caught the superbug MRSA.
The former Orange Juice star, who had a huge solo hit with A Girl Like You in the mid-90s, suffered a cerebral haemorrhage on February 20He had emergency surgery and while he was still in hospital the Glasgow-born singer also caught the MRSA superbug.
She had suffered cerebral haemorrhage due to a head injury, and an inquest held at the time returned a verdict of accidental death, he added.
Pathologist Dr Mustansir Nurbhai said he died from multiple injuries contributed by traumatic cerebral haemorrhage.