Cerebrovascular disease: continuum deck 3 (cardioembolic, LAOD

Question 1

% of strokes that are cardioembolic

Answer 1

20-30%

Question 2

Sources of embolic

Answer 2

any where proximal to the ischemic territory ( atria, ventricles, valves, aorta, extracranial cervical arteries

Question 3

Embolic strokes are more likely to cause what two things ?

Answer 3

seizures and hemorrhagic transformations

Question 4

Lab work up for cardioembolic stroke

Answer 4

CBC, BC, ESR, CRP, PT/INR, TSH, Lipids, Hypercoag (APC resistant)

Question 5

risk of stroke in a-fib w/o AC

Answer 5

5%

Question 6

Important scores in CE stroke

Answer 6

hasbled, chadsvasc

Question 7

Four main ACs

Answer 7

warfarin, dabigatrin (pradaxa), apixaban (eliquis), rivaroxaban (xarelto)

Question 8

AC with shortest half-life and once daily dosing

Answer 8

Xarelto (rivaroxaban) (5-9 hours)

Question 9

Renal dosing for ACs

Answer 9

Crcl <30 Dabigatran 75mg/d
Crcl <50 Xarelto 15mg/d
Creatine >1.5, age >80, <132 lbs Eliquis 2.5mg

Question 10

how many times would someone have to fall for the risk to outweigh the benefit for AC and subdural hematomas

Answer 10

295 times

Question 11

When to resume AC after stroke

Answer 11

14 days but bigger strokes may need 4 weeds but asa should be administered in the meantime

Question 12

atheroma definitions

Answer 12

> 4mm, noncalcified, mobile components