ABIM Neurocritical Practice Questions - ABIM Neurocritical Care Subspecialty Certification Exam

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A 72-year-old presents 8 hours after last known well with NIHSS 18 from a left M1 occlusion. CT perfusion shows infarct core 18 mL and penumbra 90 mL. Per DAWN and DEFUSE 3, what is the most appropriate next step?

Mechanical thrombectomy for LVO with favorable imaging IV alteplase only (outside 4.5-hour window) Aspirin and neuro ICU admission only Decompressive hemicraniectomy first-line

Correct Answer:

Mechanical thrombectomy for LVO with favorable imaging

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