Category: Protocols
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Acute stroke
Most appropriate imaging: CT head C- (rapid assessment for hemorrhage…
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Proven parenchymal hemorrhage (hematoma)
Most appropriate imaging: MRI head C-/C+ (contrast preferred for evaluation…
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Migraine or tension-type headache
In cases of isolated headache with a normal neurologic exam,…
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Headache with “red flags”
Red flags defined by the ACR include: Most appropriate imaging:…
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Headache with new onset in pregnancy
Most appropriate imaging: MRI head C- Alternatives: ACR appropriateness criteria
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Headache with features of intracranial hypotension
Features of intracranial hypotension include positional headache (worse when upright,…
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Headache with features of intracranial hypertension
Features of intracranial hypertension include papilledema, pulsatile tinnitus, and visual…
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Primary trigeminal autonomic cephalgias (e.g. cluster headache)
Most appropriate imaging: MRI head C-/C+ Alternatives: ACR appropriateness criteria
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Sudden onset severe (thunderclap) headache
Most appropriate imaging: CT head C- Alternatives: ACR appropriateness criteria
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Cord compression
Most appropriate imaging: MRI screening total spine C- Alternatives: ACR…