Card Set Information
What % of all strokes are ischemic? The rest are?
87% = ischemic. Rest = hemorragic
What are risks for a thrombotic stroke?
older age, high cholesterol, HTN
What are risks for a emboliic stroke?
often cardiogenic: Afib, mechanical valves, endocarditis, ASD
What's the time frame to give tPA?
3 hours, 4.5 if not >80 y, taking oral anticoagulants, NIHSS score >25, hx of DM + CVA
What's the biggest risk of IV rtPA, esp if given after 3 hours after onset of sxs?
What's the advantage of intra-arterial rtPA?
directly to site of occlusion = smaller dose = samller systemic effect, also can give up to 6 hrs after sx onset
a MERCI Retriever can be used up to ? hrs after sx onset?
8 (also benefit is less risk of causing hemorrage)