Acute CVA and TIA Flashcards
Acute stroke events are most often the result of which pathologic process?
- acute hemorrhage?
- acute embolic event?
- acute thrombotic event?
Thrombotic event followed by embolic event
What is the major modifiable risk factor in prevention of strokes?
HTN, treat if > 140/90
Who should be on aspirin for primary prevention of stroke? How would you figure this out?
40-74 years old with ASCVD score > 10%
What feature of family history is concerning for increased risk of stroke?
Documented parental stroke by 65 yrs of age is associated with a 3 fold increase in stroke in offspring
What is the peak age group for subarachnoid hemorrhage?
peak age 50
“worst headache of my life”
What are the recommendations for initiation of TPA after stroke onset?
Recommended when
- CT shows no hemorrhage
- no hx of intracranial hemorrhage
- no seizure at onset of stroke
- BP < 185/110
- within correct time frame
What is the BP threshold for administration of TPA?
<185/110
What is the time limit for administration of TPA after onset of stroke?
- Age < 80 yo: onset of sx < 4.5 hours and INR < 1.7
- Age > 80 yo: onset of symptoms < 3 hrs and not on anticoagulants
What are the BP treatment parameters after acute ISCHEMIC stroke?
- systolic
- diastolic
- goal of treatment
- systolic > 220
- diastolic > 120
- goal is to decrease BP by 15%
What are the BP treatment parameters after acute HEMORRHAGIC stroke?
- systolic
- goal of treatment
- Treat if systolic BP 150-220
- lower BP to systolic < 140
What are the BP treatment parameters after subarachnoid hemorrhage?
- systolic
- decrease systolic BP to < 160
In management of acute stroke should you do the following?:
Give Aspirin
YES
In management of acute stroke should you do the following?:
Give antipyretic if fevering
YES
In management of acute stroke should you do the following?:
treat hyperglycemia
What is your threshold?
YES if > 180 mg/dL
In management of acute stroke should you do the following?:
Assess swallow before feeding
YES
What are BP goals in secondary prevention of ischemic stroke or TIA?
< 140/90 (class IIA) ? < 130 for lacunar CVA (class IIB)
What are Statin goals in secondary prevention of ischemic stroke or TIA?
Add statins for LDL > 100
Should antiplatelet agent be used for secondary prevention of ischemic stroke or TIA?
Yes
- aspirin or plavix
Definition of TIA
A transient episode of neuro dysfunction caused by focal brain, spinal cord, or retinal ischemia without acute infarction
- ** no time limit
- ** tissues based definition
After TIA, how do you figure out who needs hospitalization?
ABCD2 score: Age > 60 BP > 140/90 Clinical features: focal weakness/speech impairment Duration > 60 minutes Diabetes
When should you recommend endarterectomy in carotic artery disease?
indicated: symptomatic w/ 70-99% stenosis
consider: symptomatic with 50-70% stenosis