What is a stroke

What is a stroke
 Stroke is an acute circulatory disorder in the brain, which is accompanied by the loss of brain tissue. The disease is quite dangerous for the human body, as there is a lesion of the central nervous system.
 In a healthy person is a constant enrichment of cerebral arterial blood. Even a short-term lack of oxygen to the brain cells leads to abnormal operation, or they die. Damage or blockage of the channels through which the oxygen enters the blood, leading to stroke.

Divided two types of stroke: ischemic and hemorrhagic. Hemorrhagic stroke occurs when blood vessels rupture. For example, when the brain hemorrhage directly under the skin or ventricles. As a rule, the cause of the brain damage is high blood pressure or severe hypertension.

Symptoms of hemorrhagic lesions are severe pain in the head, loss of coordination body movements, slurred speech, appearance, facial flushing, nausea, and vomiting.

Ischemic stroke occurs due to acute disorders krovopostupleniya to separate sections of the brain. As a result, the integrity of the blood vessels are not damaged, but stops blood flow through them. This type of stroke can result from atherosclerosis, atrial fibrillation, hypertension.

Symptoms of ischemic stroke: blackouts, severe headaches and dizziness, weakness and loss of sensation in the limbs, fainting, pain in the heart.

Both types of the disease requires mandatory treatment, it helps reduce the risk of complications. The most common effects of a stroke is considered to be pressure sores, pneumonia, partial or complete paralysis, mental disorders, thrombosis, violations of logical thinking, etc.

The faster a patient is delivered to a medical facility, the less damage is done to the health and less affects the central nervous system. As a rule, only in the first 2-3 hours after the onset of the first symptoms can completely eliminate the negative consequences of a serious illness.

Tags: brain, head, stroke, blood circulation, hemorrhage