Question

A 40-year-old presents with the "worst headache of his life" 3 hours after onset. Neuro exam is normal. According to ED policy, which strategy is appropriate to rule out SAH?

Accepted Answer

CT head without contrast within 6 hours, no further workup if normal

Answer

LP only without imaging

Answer

MRI brain and MRA head

Answer

CT head >6 hours, no further testing if normal

Answer

CTA head only, no noncontrast CT

Practice question

A 40-year-old presents with the "worst headache of his life" 3 hours after onset. Neuro exam is normal. According to ED policy, which strategy is appropriate to rule out SAH?