In the United States, About 700,000 the new cases of stroke appear each year. Age at diagnosis of stroke was 60 or older. Stroke is divided into hemorrhagic stroke (bleeding in the brain) and ischemic stroke (blocked blood vessel in the brain), both types of strokes can lead to brain injuries of various degrees and at different sites, and subsequently, multiple psychiatric symptoms manifested as dysfunction of one or several body parts.
What are the risk factors for Stroke?
The optimal time to rescue people with stroke is within 3 hours after its occurrence. Before the stroke, there are usually some signs if you observe carefully. Then how to identify the signs of stroke accurately at the earliest time possible?
Black out: Patients suddenly present with black out in front of their eyes and can not see anything. Such conditions are relieved within seconds or minutes, and are complicated with nausea, vomiting , dizziness and disturbance of consciousness.
Blurred vision: Blurred vision, which is manifested as transient visual disorder, can be relieved within 1 hour in most cases.
Spoke with great difficulty: Patients suddenly have difficulty in speaking, drool or can not understand what others say. This is because the insufficient blood supply to the cerebral cortex affects the language center.
Numbness or paralysis in the face andlimbs: One side of the face or upper and lower extremities feel numb, weak, drool, mouth crooked tongue. This is because the insufficient blood supply to the brain injures the neural pathways of trunks dominated by the brain.
Dizzy: Patients suddenly feel dizzy and shamble, which is because the insufficient blood supply to the cerebellum affects its balance function. The above-mentions signs may be temporary, disappearing after some time, or recurrent or gradually aggravated.
Transient unconsciousness or drowsiness occurs, which is caused by brain hypoxia.
Severe headache: Unbearable headache occurs in patients, which turns from discontinuity to continuity, or is complicated with nausea and vomiting. This may be the signal of brain hemorrhage, to which special attention should be paid to.
Patients should be required to laugh or spit their tongue so as to observe their mouth and tongue to see if there is deflection of angle of mouth and left or right avertence of the tongue. This is because some patients with stroke will show symptoms of mouth or tongue avertence.
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