Research Paper on "Strokes and There Causes"

Research Paper 5 pages (2130 words) Sources: 5

[EXCERPT] . . . .

Strokes and Their Causes

Stroke is defined as the abrupt death of cells inside a definite part of the brain owing to insufficient blood flow. It is also known as cerebral vascular accident. . Basically, stroke happens once blood flow is interfered with to a fraction of the brain.

The outcome of enhanced treatment of all forms of stroke is the remarkable reduction in death cases in the last few decades that have surpassed. In the nineteen fifty's nine in ten stroke casualties passed on in comparison with less than one in three nowadays.

Causes of Stroke

Generally, four major kinds of stroke exist and these are cerebral embolism, subarachnoid hemorrhage, cerebral thrombosis and intracerebral hemorrhage. The chief cause of cerebral thrombosis and cerebral embolism is the blood clot which obstructs an artery that supplies the brain. Subarachnoid hemorrhage and intracerebral hemorrhage are kinds of hemorrhagic strokes which result once a blood vessel ruptures around or within the brain.

IV. Threat factors for Stroke

The threat factors for stroke include age and sex. Another threat factor is heredity. The third threat factor is diseases. The fourth risk factor is supplementary health conditions. The last risk factor is the daily life choices.

V. Signs and Symptoms of Stroke

Patients with stroke symptoms are advised to seek out for emergency cure without any delay. Definite signs of a stroke rely on the kind of stroke. However all kinds of stroke share several attributes.

VI. Stroke Identification

The diagnosis of stroke normally starts with a cautious therapeutic history regarding the beginning and distribution of signs and the existence of threat factors. Once this is done, other probable causes will be eliminated. Usually, a concise neurological test is conducted so as to discover the extent and locality of any shortfall.

VII. Treatment of Stroke

The damage resulting from stroke can be reduced considerably through emergency treatment. Actually, emergency treatments of ischemic stroke endeavors to dissolve the clot. The damage resulting from stroke can be reduced considerably through emergency treatment. Actually, emergency treatments of ischemic stroke endeavors to dissolve the clot.

VIII. Conclusion

Rehabilitation may also be performed on the stroke patients. It implies a complete program intended to recover a number of functions and compensate stable losses. Some of the preventive measures for the various kinds of strokes include blood pressure regulation and stopping the act of smoking cigarette.

Introduction

Stroke is defined as the abrupt death of cells inside a definite part of the brain owing to insufficient blood flow. It is also known as cerebral vascular accident. Basically, stroke happens once blood flow is interfered with to a fraction of the brain. That is if an artery ruptures or gets clogged especially when a blood coagulate penetrates inside it. Blood flow to the region of the brain supplied by that particular artery ends at the location of the commotion. The brain tissue away from the location of commotion becomes ruptured or passes on.

Generally, brain cells require blood in order to provide oxygen gas and nutrients and further to eliminate waste materials. With regard to the area of the brain which is severely affected, stroke may result to paralysis, vision failure and damage of someone's speech. In addition, it may cause memory and thinking capability failure unconsciousness or even death. According to Caplan, Dyken & Easton (1996, p. 7) the consequences of stroke are easily made certain by the extent of the damage and the part of the brain that is affected. Approximately one third of all stroke cases are heralded by transient ischemic attacks or semi-strokes. These semi- strokes momentarily cut short blood flow to the brain. The signs of semi-strokes include abrupt sight failure or short-term feebleness inside a limb. The semi-strokes decrease rapidly as compared to the full-fledged strokes, generally inside few hours and occasionally as rapidly as few minutes.

Statement of the Problem

Basically, stroke is a therapeutic emergency which requires urgent cure. Timely treatment provides an opportunity of survival and boosts the extent of recuperation which may be anticipated. An individual who has been attacked by stroke must be seen in a medical emergency building without impediment. Treatment to disintegrate a blood clot which is the main contributor of stroke should commence inside the three hours of the stroke. If this is done at the designated time, successful treatment will occur. The outcome of enhanced treatment of all forms of stroke is the remarkable reduction in death cases in the last few decades that have surpassed. In the nineteen fifty's nine in ten stroke casualties passed on in comparison with less than one in three nowadays.

Causes of Stroke

Generally, four major kinds of stroke exist and these are cerebral embolism, subarachnoid hemorrhage, cerebral thrombosis and intracerebral hemorrhage. Duthie (1993, p. 3) stated that the chief cause of cerebral thrombosis and cerebral embolism is the blood clot which obstructs an artery that supplies the brain. The artery supplies the brain either in the brain itself or in the neck. Cerebral thrombosis and cerebral embolism are also called ischemic strokes and represents seventy to eighty percent of all the kinds of strokes. Subarachnoid hemorrhage and intracerebral hemorrhage are kinds of hemorrhagic strokes which result once a blood vessel ruptures around or within the brain. Trauma or surplus internal pressure makes the blood vessel to rupture. High blood pressure or hypertension and atherosclerosis are normally the causative factors in these kinds of strokes.

Cerebral thrombosis is the ordinary kind of stroke. It results once a blood clot or thrombus mounts inside the brain itself. The outcome is the obstruction of blood flow in the vessels which have been affected. This is normally as a result of stiffening of brain arteries. This stiffening is occasioned by mounting fatty deposits within the blood vessels. Cerebral thrombosis results frequently at nighttime or early at dawn. Usually, transient ischemic attacks occur before cerebral thrombosis strikes. Discerning the happening of transient ischemic attacks and seeking for urgent treatment is a significant stride in stroke avoidance.

On the other hand, cerebral embolism results when a blood clot from somewhere else inside the circulatory system ruptures freely. If this blood clot is lodged inside an artery that supplies the brain, stroke may result. The general cause of cerebral embolism is atrial fibrillation. It results as soon as the higher chambers also known as the atria of the heart pound faintly and quickly, rather than pounding slowly and gradually. Blood inside the atria don't drain absolutely and may cause clots which may eventually rapture and flow into the circulation. Atrial fibrillation can be considerably lessened by daily usage of anticoagulant prescriptions.

Subarachnoid hemorrhage is another kind of stroke in which the blood trickles inside the subarachnoid space which is located in-between the brain and cranium. As soon as the fluid mounts, pressure inside the brain upsurges and this damages its task.

Actually, hypertension is a common causative of this kind of stroke. However, the vessels which have preexisting faults for instance an aneurysm may also break.

In actual fact, aneurysms are mainly liable to rupture when blood pressure is at its peak. Therefore regulating blood pressure is a significant protective tactic. Subarachnoid hemorrhages represents for roughly seven percent of the kinds of strokes.

The last kind of stroke is the intracerebral hemorrhage which accounts for ten percent of all the strokes. It normally attacks vessels and tissues inside the brain. The affected vessels and tissues bleed profusely and henceforth will not receive adequate blood. The outcome is the piling up of fluid inside the rigid skull. Consequently, pressure is produced inside the brain which can rapidly turn out to be deadly. In spite of this, recuperation may be absolute for an individual who survives hemorrhage. This is in comparison with an individual who usually survives a blood clot, since the consequences of blood deficiency are normally not as brutal.

Threat factors for Stroke

The threat factors for stroke include age and sex. The chances of contracting stroke upsurges with age and it doubles for every decade after the age of fifty five. Men are most liable to contract stroke than women. Another threat factor is heredity. Individuals with a folk history of stroke have enhanced risk of stroke contraction. The Utmost Medical Specialists in Israel (n.d.) stated that additionally, African-Americans, Asians, and Hispanics have greater chances of contracting stroke as compared to the whites. The third threat factor is diseases. Individuals who have contracted diabetes, heart diseases and high blood pressure are at a higher risk of contracting stroke.

The fourth risk factor is supplementary health conditions. The risk of contracting stroke upsurges with obesity, high blood cholesterol and high red blood cell count. The last risk factor is the daily life choices. Basically, stroke risk upsurges with the smoking of cigarettes, an inactive life that is not partaking in hobbies on a daily basis such as walking and swimming. Other lifestyle choices include alcohol use beyond two drinks each day and use of prohibited drugs such… READ MORE

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