Nursing 3910A/B Chapter Notes - Chapter 5: Subarachnoid Cisterns, Posterior Communicating Artery, Internal Carotid Artery
7 Nov 2017
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In a stroke, there is a disruption of the cerebral blood flow due to an obstruction of a blood vessel. 2: penumbra region: an area of low cerebral blood flow is around the area of infarction, rapid intervention (4. 5 hours or less) is key to successful reperfusion of the ischemic penumbra region. In the early stages of stroke, clinical features may be flaccid paralysis. Communication loss: stroke is the most common cause of aphasia. 4: dysarthria: difficulty in speaking; caused by paralysis of the muscles responsible for speaking, dysphasia: impaired speech, apraxia: inability to perform a previously learned action, aphasia: loss of speech, can be expressive, receptive, or global (mixed) If damage has occurred to the frontal lobe, the following may be impaired: learning capacity, memory, other higher cortical intellectual functions, these changes can cause the pt to become easily frustrated.
