Stroke II

Question 1

what is the most important (modifiable) risk factor for stroke?

Answer 1

HTN

Question 2

what are the antiplatelet agents for stroke?

Answer 2

• aspirin
• ticlopidine
• clopidogrel
• dipyridamole XR plus aspirin

Question 3

what is the role of warfarin for strokes? what specific condition is it good for?

Answer 3

• prevention

- atrial fibrillation

Question 4

what are the non vitamin K antagonists NOACs? what is their role in stroke?

Answer 4

• direct thrombin inhibitor (dabigatran)
• Xa inhibitor (rivaroxaban, apixaban)

may be superior to warfarin in atrial fibrillation

Question 5

the antiplatelet agents are used for ___________ (primary / secondary) prevention of stroke

Answer 5

secondary

Question 6

if strokes are due to a cardioembolic cause, what agent is indicated?

Answer 6

warfarin

Question 7

if the core of a stroke is dead, what is the tissue that is at risk?

Answer 7

penumbra

Question 8

what are the strategies for acute stroke treatment?

Answer 8

• increase cerebral blood flow

- neuroprotection

Question 9

what imaging test must be ordered immediately upon stroke suspicion?

Answer 9

head CT without contrast

Question 10

what is the treatment of choice in acute ischemic stroke? when must it be given?

Answer 10

• tPA

- give within 4.5 hours