Cv Accident Or Stroke Essay

Cerebral vascular accident or a stroke is the destruction of brain substance, resulting from thrombosis, intracranial hemorrhage, or embolism, which causes vascular insufficiency. In addition, it is an area of the brain denied blood and oxygen that is required and damage is done to a part of the cells. The effect of the patient depends upon where the damage occurs and the severity of the stroke.

There are two major branches of strokes: those caused by narrowing or blockage of the arteries leading towards the brain, and those caused by blood vessel leaking or rupturing in the brain. Ischemic strokes account for approximately 87% of Stroke cases, which reduces the blood flow to the brain. About half of the Ischemic strokes are caused by clotting in small or large arteries, a smaller portion are caused by

Hemorrhagic strokes may be intracerebral (within the brain) or subarachnoid which occur from an aneurysm or atypical blood vessels.

A stroke is a type of cardiovascular disease that affects the cerebral arteries, those blood vessels that carry blood to the brain. A stroke occurs when one of those blood vessels in the brain is obstructed or ruptures flooding the brain with blood. Depriving blood and oxygen to the brain results in those immediate cells death, causing the brain not to function properly. Once parts of the brain stop functioning, it can directly affect the areas of the body controlled (1).

A stroke is the sudden death of brain cells in a localized area due to inadequate blood

Often times, doctors will typically call a stroke a “brain attack” because the events that transpire resemble those that occur during a heart attack (Wang and Aamodt, 2010). Blood supplies a constant source of oxygen to the brain. However, a stroke occurs when that blood supply to any given part of the brain is suddenly ceased. If the blood supply to the brain is suddenly interrupted this leads to the deprivation of oxygen and glucose to that area. The brain cells that are prevented from acquiring these substances, especially oxygen, will be quickly killed off. Strokes can be categorized into two classes: Ischemic and hemorrhagic strokes (Lindley, 2008).

Stroke also known as cerebrovascular accident (CVA), cerebrovascular insult (CVI), or a brain attack. A brain attack is the loss of brain function by the cause of disturbance in the blood supply to the brain. This disturbance occurs due to either one of two causes which are ischemia (lack of blood flow) or a hemorrhage (high increase of blood flow directly into brain; parenchyma or into the subarachnoid space which surrounds the brain with tissue). Ischemia is a formation by a blood clot that is inside of a blood vessel located in the circulatory system called thrombosis or arterial embolism; which is a rapid interruption in the supply of blood flow to an organ or body part due to a clogged artery blocking the blood flow. Thrombosis is a

Hemorrhagic stroke is, the less common types of CVA, nearly 13% is all stroke cases and is a result from bleeding into the brain tissue itself (Intracerebral and intraparenchymal hemorrhage) or into subarachnoid space or the ventricles (subarachnoid hemorrhage or intraventricular hemorrhage). This type of stroke is further subdivided into:

Sometimes known as a brain attack, a stroke occurs when blood flow to the brain stops. Brain cells immediately start to die due to the lack of oxygen and nutrients they need to function. There are two types of strokes. The most common type, called ischemic stroke, is caused by a blood clot that blocks a blood vessel in the brain. The other kind of stroke, called hemorrhagic stroke, is caused by a blood vessel that breaks and bleeds into the brain. Stroke is the fifth leading cause of death for Americans. In fact, according to the CDC, more than 795,000 people in the United States have a stroke every year. A stroke can cause great damage in the brain and lead to mild or severe disabilities to the entire body such as paralysis, difficulties with

Stroke previously known as Cerebrovascular accident is well-defined as ‘an abrupt cessation of cerebral circulation in one or more of the blood vessels distributing the brain. Due to the interruption or diminish of oxygen supply causes serious damage or necrosis in the brain tissues (Jauch, Kissella & Stettler, 2005). There is a presence of one or more symptoms such as weakness or numbness or paralysis of the face, arm or leg, difficulty speaking or swallowing, dizziness, loss of balance, loss of vision, sudden blurring or decreased vision in one or both eyes and headache. Stoke is categorised into two types, Ischaemic and haemorrhagic

An occlusive stroke can also convert into a hemorrhagic stroke if the stress on the vessel wall is great enough to cause it to rupture which then causes bleeding directly into the brain tissue. Hemorrhagic strokes are the second major classification of strokes with two distinct subgroups. Intracerebral hemorrhages describe the bleeding in to the brain tissue that generally results from severe and/or sustained hypertension. The elevated blood pressure causes changes in and weakens the arterial wall making its ability to rupture easier. Damage from this type of stroke occurs from the bleeding, which causes edema, distortion, and displacement, common irritants to the brain.

Hemorrhagic stroke occurs when a blood vessels in the brain leaks or ruptures. Bleeding from the ruptured brain artery can either go into the substance of the brain or into the various spaces surrounding the brain. The two types of hemorrhagic stroke are Intracerebral and Subarachnoid hemorrhagic.

Stroke: A more mechanical term for stroke is Cerebrovascular Accident (CVA). The term stroke itself is not clearly defined and is not a precise medical term. In simple terms, stroke ‘suffocates’ brain tissue and often produces an area of dead or dying brain tissue. A stroke always occurs in the brain and is the most common type of cerebrovascular disease. The most frequently encountered of the cerebrovascular diseases is the Cerebrovascular accident (CVA). It was earlier called apoplexy or an apoplectic attack and is now commonly referred to as stroke. Medically speaking a stroke is a “focal neurological disorder of abrupt development due to a pathological process in blood vessels” (J. N. Walton, 1994).

“A stroke, sometimes called a “brain attack,” is an injury to the brain due to blockage or rupture of blood vessels.” (Patient&Family Education Handbook UCLA Stroke Center Page 8) Stroke most often occurs when blood flow to the brain has stopped due to a clot, but it can also be caused by bleeding in the brain. The brain cells in the area begin to die due to lack of oxygen and the nutrients they need to work correctly. Hippocrates the “father of medicine” was the first to identity stroke more than 2,400 years ago. He called it apoplexy which is Greek for “struck down by violence”. In the 1600s a doctor named Jacob Wepfer discovered that people who died from apoplexy had something that was disrupted in the brains blood supply. There were massive bleeding in the brain or arteries were blocked in some of the cases Jacob Wepfer seen. Apoplexy became know terms as stroke and cerebral vascular

A stroke caused by a blocked artery by a blood clot or bursting of a blood vessel because of uncontrolled high blood pressure. There are main three types of the stroke. An ischemic stroke occurs when a blood clot blocks one of the arteries which supply blood to brain. A clot may be caused by fatty deposits (plaque) that build up in arteries and cause reduced blood flow (atherosclerosis) or other artery conditions. (mayo clinic). About 89%, strokes are ischemic strokes. Ischemic stroke includes thrombotic stroke. A thrombotic stroke occurs when a thrombus stuck in one of the arteries that supply blood to the brain. A clot build-up of fatty deposits in arteries. Another type of stroke is called the hemorrhagic stroke. This stroke occurs when a blood vessel leaks or ruptures in the brain. A bold vessel leaks or ruptures from many conditions like uncontrolled high blood pressure or overtreatment with anticoagulants and the weak spot in blood vessel walls. (mayo). Some people experience a mini-stroke it is known as a transient ischemic attack (TIA). A temporary decrease or clot stuck in a vessel in our brain causes TIA. It happens less than five minutes. This stroke does not have any symptom, because the blockage is