It is dangerous eventuality, which may impair neurological functions, the stroke is more common than you might believe. If the blood does not flow as it should to the brain, “nourishing” wrong, the consequences can be more or less serious. Several possible causes, accurate but not always recognized the symptoms and basic rules of prevention here is some useful information to know and recognize stroke.

What

With the term stroke refers to a pathological condition acute, which can of two types, ischemic or hemorrhagic. In the first case, occurs the complete or partial obstruction of a cerebral artery, while in the second cerebral hemorrhage for the rupture of the blood vessel concerned. The ischemic stroke, also known as cerebral infarction, is characterized by blockage of blood flow for closure of an artery deputed to bring the blood to the brain. Closure that may be sudden, thanks to a blood clot, or gradual, due to atherosclerosis or thrombosis. When the stroke is hemorrhagic , however, is all the fault of breaking a artery of the brain. Event that can be caused by a sudden increase in blood pressure, by the rupture of an aneurysm or alteration of blood coagulation.

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Symptoms and signs

Not all strokes are equal and, consequently, even the symptoms with which they occur. Everything depends on the area of ​​the brain affected and its extension. Among the most common symptoms is the paraplegia , that is the weakness or complete inability to move one side of the body, accompanied by difficulty in swallowing. If the affected part is the right one, you can also check a language disorder, l aphasia, while if the paralysis is on the left side of the body can manifest behavior disorders of various types.

In addition to the symptoms themselves, there are also a number of warning signs should not be underestimated: the sudden weakness or tingling in the middle of the face, an arm or a leg, and the loss of vision in one eye, the inability to express themselves verbally or to understand the words of others, vertigo, dizziness and sway, the sudden and unbearable headaches. When these symptoms resolve within 24 hours, we can speak of transient ischemic attack (TIA).

Prevention

The successful preventive strategy is based on the control of risk factors , the change of lifestyle and of power, on the visits and medical care. Risk factors for stroke are: smoking, high blood pressure , atrial fibrillation, transient ischemic attack, diabetes mellitus, the carotid bruits, overweight and obesity, physical inactivity, l ‘ cholesterol and the hyperglycemia. In the presence of one or more of these factors, as well as in case of familiarity for stroke, better undergo a screening protocol periodical, which includes the control of blood pressure, the blood tests, electrocardiogram and neurological examination .