Wednesday 28 December 2011

Stroke

Stroke

How ill If There's Disease in the Human Body. How ill, if we experience a stroke. Activity we would be distracted and uncomfortableStroke is a disease yag quite dangerous. This disease including cerebrovascular disease characterized by death of brain tissue (cerebral infarction) which occurred due to reduced blood flow and oxygen to the brain. Reduced blood flow and oxygen could be due to the blockage, narrowing, or rupture of blood vessels. Strokes are the symptoms of nervous system function deficits caused by cerebrovascular disease and not by others from it.

Obstruction of an artery in the brain by a clot / clots (thrombosis) is the most common cause of a stroke. Part of brain supplied by the blocked blood vessels and then removed / deprived of blood and oxygen. As a result of the removal or deprivation of blood and oxygen, the cells of the brain is dead. Typically, a clot formed in a small blood vessel in the brain that have previously been narrowed due to a variety of risk factors includingHigh blood pressure (hypertension), high cholesterol, diabetes, and smoking.

Stroke is divided into two types: ischemic stroke Hemorrhagic stroke or disease. Ischemic stroke is blockage of blood vessels that cause blood flow to the brain in part or whole stop. 80% of strokes are ischemic strokes. Ischemic stroke is divided into three types, namely:
  1. Thrombotic stroke: thrombus formation processes that make clotting.
  2. Embolic stroke: the closing of an artery by a blood clot.
  3. Systemic Hipoperfusion: Decreased blood flow to all parts of the body due to an interruption of the heartbeat.
Hemorrhagic stroke is a stroke caused by rupture of blood vessels of the brain. Nearly 70% of cases of hemorrhagic strokes occur in people with hypertension.

Hemorrhagic stroke there are two types, namely:
  1. Intracerebral haemorrhagic: bleeding that occurs in brain tissue.
  2. Subarachnoid hemorrhagic: bleeding that occurs in the subarachnoid space (a narrow space between the brain surface and the layer of tissue covering the brain).
A stroke is a medical emergency. Anyone suspected of having a stroke should be taken to a medical facility immediately for evaluation and treatment. At first, doctors take a medical history from the patient if he is unconscious or another family with a patient if they are available, and performs a physical examination. If someone has been handled by a particular physician, it is ideal for physicians that participate in the assessment. Prior knowledge of the patient can improve the accuracy of the evaluation. A neurologist, a doctor who specializes in disorders of the nervous system and brain diseases, will often assist in the diagnosis and management of stroke patients.

When a patient no longer acutely ill after a stroke, health care staff to focus on maximizing the patient's functional abilities. This is most often done in a patient in a rehabilitation hospital or in a specific area of a public hospital. Rehabilitation can also take place at a care facility.

The rehabilitation process can include some or all of the following:
  • speech therapy to relearn talking and swallowing;
  • occupational therapy to regain the skills on the arms and hands;
  • physical therapy to improve strength and roads; and
  • family education to orient them to care for their loved ones at home and the challenges they will face.
Prevent A Stroke:
  • The possibility of suffering a stroke can be clearly reduced by controlling risk factors. The most important risk factor for stroke is high blood pressure. If a person's blood pressure is too high a persistent, roughly greater than 130/85, the risk of a stroke increases in proportion to the degree by which elevated blood pressure. Controlling blood pressure in the normal range reduces the chances of a stroke.
  • Another important risk factor is cigarette or other tobacco use. Cigarettes cause carotid arteries develop severe atherosclerosis, which can lead to their closure and blocking blood flow to the brain. Atherosclerosis in general, including the involvement of the arteries that supply blood to the heart, accelerated by smoking. So by not smoking can prevent stroke.
  • Other risk factors for developing a stroke is diabetes mellitus. Diabetes causes the small vessels to shut down prematurely. When blood vessels are enclosed in the brain, small strokes (lacunar) may occur. Good blood sugar control is important in reducing the risk of stroke in diabetic patients. An elevated blood cholesterol levels is also a risk factor for a stroke caused by obstruction of the end of blood vessels (atherosclerosis). A healthy diet and medications can help normalize an elevated blood cholesterol levels.

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