Essay - Strokes Cerebrovascular Accidents, Often Called Strokes, are Interruptions to the...


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Strokes

Cerebrovascular accidents, often called strokes, are interruptions to the blood flow in ***** brain. They can be caused by sudden blockage of a blood vessel (ischemic stroke), or rupture of a blood vessel (hemorrh*****gic stroke). Strokes are medical emergencies that can cause coma, paralysis, muscle weakness, memory, speech/language or other brain function problems (5). Immediate emergency treatment helps ensure the *****st possible outcome for a patient who has had a *****. Two thirds of all ***** occur in people over the age of 65 (5), and it is the third most common cause of death in ***** United States (Dougherty, 1998). ***** are a major cause of disability as well (Byington et. al., 2000).

Ischemic strokes can have several causes. Sometimes an embolism, or blood clot, forms in one part ***** the body and travels to the ***** where it blocks a sm***** ***** vessel. Thrombosis, or artery blockage, ***** also cut off blood flow, when a **********ll blood clot f*****ms on ***** arterial plaque. Most thrombotic strokes ***** caused ***** the combination of ***** vessel narrowing and a clot. Hemorrhagic strokes occur when a blood vessel in the brain ruptures. These strokes can vary from very mild to *****. They may be caused by high blood pressure, a we*****kness in ***** blood *****, or a ***** of both (5).

The risk fac*****rs for stroke can be divided ********** two groups: controllable and uncontrollable. When a person has ***** uncontrollable risk factors, it *****comes more important for him her to control the ones that can be.

***** ***** factors include

*****: The older the *****, the ***** likely they may have a stroke.

Gender: more men than women ***** *****

*****: Afri*****-Americans and Hispanics have ***** ********** ***** Caucasians

Family history

Diabetes

***** of a previous stroke

Controllable risk factors:

High ***** pressure

Heart disease, particularly atrial fibrillation. ***** blood collects in the heart ***** ***** of *****ming a blood clot incre*****ses.

High cholesterol resulting in blood vessel *****

Sleep apnea, which can cause spikes in blood *****

*****, which damages blood vessels ***** raises blood pressure

Alcohol abuse

Obesity

***** ***** a ***** include sudden we*****kness or feeling of numbness, especially on one side of the *****; sudden difficulty speaking or confusion; sudden vision disturbance in one or ***** eyes: difficulty walk*****g, loss of balance or poor coordination, or a sudden ********** severe headache (Barker, 2001). Less commonly, the patient ***** develop sudden nausea and vomiting marked ***** rapid onset, which may ***** a fever; or a brief loss of consciousness, which can be as mild as an apparent fainting spell or as severe as convulsion or coma (5)

***** room nurses c***** provide a valuable first line of evaluation by using stroke checklists of symptoms and alerting the triage doctor if symptoms suggest the possibility of a stroke. Rapid diagnosis allows the medical team the most options for ***** whet***** it is drugs to dissolve ***** ***** or a c*****rotid artery stent (Dougherty, 1998) to improve blood

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