406 E2 - TIA

Question 1

transient ischemic attack

Answer 1

acute, focal cerebral insufficiency lasting <24 hrs (usually <60min) w/ no residual effects

Question 2

stroke

Answer 2

neurological deficits lasting >24hrs

Question 3

TIA places a person at risk for

Answer 3

increased risk of stroke within 1 month of the TIA

Question 4

TIA presentation

Answer 4

-varies pt to pt but recurrent TIAs are usually similar
-onset & recovery are abrupt
-symptoms are associated w/ location of defect
-follow a vascular line

Question 5

Bell’s Palsy

Answer 5

a problem or paralysis w/ a facial nerve so will present w/ a drooping mouth
get stroke eval bc they present the same

Question 6

TIA presentation: Carotid area

Answer 6

-weakness, heaviness in contralateral arm, leg or face
-numbness
-dysphagia (problem swallow)
-ipsilateral monocular visual loss

Question 7

TIA presentation: Vertebrobasilar area

Answer 7

-dim or blurry vision
-vertigo
-dysphasia (difficulty speaking)
-ataxia
-motor or sensory changes (ipsilateral face, contralateral body)

Question 8

contralateral vs ipsilateral

Answer 8

Con: looking for manifestations on the opposite side from the damage
Ips: looking for manifestations on the same side as the damage

Question 9

TIA diagnosis

Answer 9

-H&P
-CT, MRI, MRA (to rule out hemorrhage, lacunar infarcts or aneurysms)
-carotid doppler studies
-echo

Question 10

TIA treatment goals

Answer 10

reduce the risk of pt having a full stroke

Question 11

TIA treatment

Answer 11

based on etiology
-anticoags (ASA, clopidogrel, if cardiac related then hep or warfarin)
-carotid endarterectomy w/ >70% stenosis