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A stroke is a brain attack. When there is obstruction or limited supply of the blood to the brain which will result to loss of brain functions due to no blood or limited supply of blood this is what is called stroke. Blood transport important nutritional component and oxygen to the brain. Without this brain cells are damaged and one my die. The brain controls all aspects of the body function and when damaged it affects, body functions and mental functions. Stroke can be classified into two major categories IschemicHemorrhagicIschemic is caused by due to disruption of blood supply. Hemorrhagic is caused due breaking and tearing of blood vessels or unusual vascular composition. IschemicBlood supply is reduced, resulting to dysfunctional of the brain tissue.

This is attributed mainly by Obstruction of blood vessel by clot forming locally. Idem due to an embolus from elsewhere in the body or General disease in the blood supply e. g. shockHemorrhagic stroke Intracranial haemorrhage is the increase of blood clot over long period of time in the skull vault. Signs and symptoms Stroke symptoms normally start abruptly. Over seconds to minutes and most causes don’t proceed further.

Early Recognition Unexpected onset face weakness, arm drift or unusual speech is the discoveries that probably will lead to accurate recognition of stroke. DiagnosisSeveral techniques can be used to diagnose stroke they include CT scans Doppler UltrasoundArteriography Subtypes In sections of brain that influences three prominent, that houses Central nervous system pathway Spin thalamic tract Corticospinal tractDorsal column Some of the symptoms include: HemiplegiaNumbnessReduction in sensor or vibratory sensation Some of this symptoms unilateral. Blemishes in the brain is mainly on opposite side of the body.

(Depending on which side of the body is exaggerated)Twelve cranial nerves are integrated to form what is called the brain stem. A stroke that disturbs brain stone results to deficits in cranial nerve. The following symptoms Distorted smell, hearing, image view Ptosis and weakness in ocular muscles. Reduction in impulses Distorted heat rate and breathing Associated symptoms Headache, unconsciousness, vomiting Thrombotic stroke This kind of stroke occurs as result of blood clot forming rounding atherosclerotic plaques. Thrombotic stroke can be grouped into two groups depending on the type of vessel the thrombus is formed on Huge vessel disease involves common interior catorids, circles of Willis and vertebralTiny vessel disease involves tiny arteries inside the brain Sickle cell anaemia They produce blood cells to clump up and bar blood vessels which can result to stroke. Embolic stroke This results to obstruction of arteries by embolus, a particle in motion.

Since origin of embolus arises from nowhere, local therapy solves the problem in short term. Emboli mostly originate from the heat or elsewhere in the arteries. Systemic Hypo perfusion This is the reduction of blood flow in whole body due to defective cardiac pump which results to bleeding or pericardial effusion, because decrease in blood is gradual all parts of brain composition are affected.

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