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18 Cards in this Set
- Front
- Back
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In a patient who had a stroke, what does a bright signal mean? |
Acute stroke |
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At what age does stroke risk double every year? |
55 years old |
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What race is more susceptible to stroke? sex? |
race = AA sex = male |
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What is the largest risk factor for stroke? |
previous stroke |
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How does a TIA differ from a stroke? |
True TIAs last only minutes and do not leave residual damage |
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What precedes 1/3 of all strokes? |
TIAs |
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What parts of the body are affected an MCA stroke? |
Contralateral upper extremity and face |
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What problems are seen in PCA stroke? (4) |
- Memory - Headache - Visual problems - Proposagnosia |
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What added deficit is seen if an MCA stroke is of the dominant hemisphere? |
Aphasia
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What added deficit is seen if an MCA stroke is of the non-dominant hemisphere? (2) |
Visuospatial neglect, visual field deficit |
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What deficits are seen in ACA stroke? (3) |
- Contralateral leg weakness - Contralateral sensory impairment - Personality changes |
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What deficits are seen in a basilar or vertebral artery stroke? (5) |
- Ataxia - Vertigo - Diplopia - Eye movement disorders - Coma |
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What are the criteria for administering tPA to a stroke patient? (5) |
- 18+ in age - Ischemic stroke Dx - Neuro deficit seen - Informed consent if possible - Less than 4.5 hours |
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When should tPA not be given? (8) |
- Subarachnoid hemorrhage - Sx are minor or are improving - Intracranial hemorrhage on CT - Active internal bleeding - Uncontrollable HTN - Recent MI - Seizure at onset of stroke - Pregnant |
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What dose of tPA should be given? What is the max dose? |
Dose = 0.9 mg/kg/hr Max dose = 90mg |
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What is the ideal range of blood pressure in a stroke patient at onset? |
60-150 mmHg |
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Why should MAP be kept relatively high immediately after stroke? |
Because the blood flow to the penumbra may decrease blood flow to healthy tissue |
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How does a hypertension hemorrhage differ from an amyloid hemorrhage? |
Location, HTN hemorrhage happens deep, amyloid hemorrhage happens more superficially in the lobes |
