A 64-year-old man with sudden right hemiparesis presents 90 minutes after symptom onset. CT head shows no hemorrhage. BP is 168/96 mm Hg, glucose 120 ...

Question

A 64-year-old man with sudden right hemiparesis presents 90 minutes after symptom onset. CT head shows no hemorrhage. BP is 168/96 mm Hg, glucose 120 mg/dL. What is the best next step?

Accepted Answer

Administer alteplase within the 4.5-hour window

Answer

Defer thrombolysis until MRI confirms infarct

Answer

Start aspirin 325 mg and delay thrombolysis

Answer

Begin heparin infusion

Answer

Wait for spontaneous improvement

us-abem MCQ (SBA): Acute Ischemic Stroke-tPA Window

A 64-year-old man with sudden right hemiparesis presents 90 minutes after symptom onset. CT head shows no hemorrhage. BP is 168/96 mm Hg, glucose 120 mg/dL. What is the best next step?