A 69-year-old man with suspected stroke arrives 5 hours after last known well. CT shows no bleed; perfusion imaging reveals a salvageable penumbra wit...

Question

A 69-year-old man with suspected stroke arrives 5 hours after last known well. CT shows no bleed; perfusion imaging reveals a salvageable penumbra with proximal MCA occlusion. What evidence-based therapy is indicated?

Accepted Answer

Endovascular thrombectomy up to 24 hours in selected patients

Answer

IV alteplase at 5 hours after onset regardless of criteria

Answer

No reperfusion options beyond 4.5 hours

Answer

Heparin infusion to lyse the clot

Answer

Immediate carotid endarterectomy

us-abem MCQ (SBA): Ischemic Stroke Reperfusion Window

A 69-year-old man with suspected stroke arrives 5 hours after last known well. CT shows no bleed; perfusion imaging reveals a salvageable penumbra with proximal MCA occlusion. What evidence-based therapy is indicated?