A Case of Cerebrovascular Accident David F.Dean, Department of Blog Spring Hell

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A Case of Cerebrovascular Accident David F.Dean, Department of Blog Spring Hell Clle He onh righ deHenbis confsedss double, and hie speech is slurred When he tempes to walk to the bathroom he sumbles a few times and fall once Hi wife uspects thar he h suffered astroke and calls 91.Emergency penonned arrive within minutes of her call and transport Samuel to the emergrncy room of the nearest hospital Upon camination by the emergency room physician Samuel is found to have right hemiparesis and diminished pinprick and rwo-point discrimination on the right side of his head and arm. His deep tendon reflexes are brisk on the right and there is a positive Babinski rolex on the right. He has difficuley articulating answers to the questions he is asked. speaking only a few words and frequently responding with just a verb or a noun. His ability to respond to complicated verbal commands, whether polen or wrinen, is not impaired. In addition, his systemic blood pressure was found to be 160/100. A serum lipid profile was performed and the results are shown in the table below Table 1. Serum Lipid Profile Results Triglycerides Total Cholesterol LDL 220 mg/d 280 mg/d 20 mg/dl HDL Questions 1. Define the terms ischemia and infarction a. What is a stroke? Describe the mechanism(s) by which strokes occur 3. Define the term collaceral blod fons, and describe how this and other factors affect the development of stroke. 4. List the risk factors that predispose an individual to suffer a stroke. What are the five warning signs that indicate an individual is having a stroke? Which of the risk factois and warning signs did Mr. Dexter possess based on the clinical history? 5. What are Brodman areas and how do they relate to the neurological deficis that occur as the result of stroke? 6. What is the functional relationship between Brocas area and Wernicke's area? Case of Cerebrovascular Accident" by David F. Dean Pay

Explanation / Answer

1. Ishemia: restricted blood flow to a organ and tissues which causes shortage of oxygen and nutrients to the tissue.

Infarction: death of tissue or part of organ caused due to shortage of oxygen due to inadequate blood supply.

2. Stroke : death of brain tissue due to poor blood supply to brain. Stroke occurs when blood supply to brain gets reduced depriving brain tissue of oxygen and nutrients. Stroke occurs due to blockage of arteries supplying to brain or due to haemorrhage of blood vessel.

3. Collateral blood flow is the alternate blood flow caused around the blocked artery due to enlargement of small blood vessels.

4. Factors that predispose to stroke are;

Smoking, diabetes, sedentary life style, alcholism, obesity, heart diseases.

Five warning signs of stroke are;

1. Sudden weakness or numbness in arm or leg on one side.

2. Sudden problems of vision.

3. Severe unreasonable headache.

4. Sudden difficulty in walking and dizziness.

5. Sudden confusion.

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