MRCP UK EXAMINATIONS

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NEUROLOGY

HEMIPARESIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
* Typically linked to a thrombus * Temporary interruption in blood supply to an area * Pt may present w/ symptoms of CVA, but resolves quickly (<24 hrs) * No evidence of brain damage or permanent neuro dysfunction * 15% of strokes are preceded by this
A
Transient Ischemic Attack (TIA)
B
Ischemic Stroke
C
Hemorrhagic Stroke
D
None of the above
Explanation: 

Detailed explanation-1: -Transient ischemic attack (TIA) – A temporary interruption of the blood supply to an area of the brain; also called a mini-stroke. It usually lasts only a few minutes and causes no permanent damage or disability.

Detailed explanation-2: -Ischemic stroke is caused by a blood clot that blocks or plugs a blood vessel in the brain. This is the most common type; about 80% of strokes are ischemic. Hemorrhagic stroke is caused by a blood vessel that breaks and bleeds into the brain.

Detailed explanation-3: -Thrombotic strokes are strokes caused by a thrombus (blood clot) that develops in the arteries supplying blood to the brain. This type of stroke is usually seen in older persons, especially those with high cholesterol and atherosclerosis (a buildup of fat and lipids inside the walls of blood vessels) or diabetes.

Detailed explanation-4: -The blockage responsible for most TIAs is usually caused by a blood clot that has travelled to the blood vessels supplying the brain. A type of irregular heartbeat called atrial fibrillation can also cause TIAs.

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