Calc Function

  • Diagnosis
  • Rule Out
  • Prognosis
  • Formula
  • Treatment
  • Algorithm
  • Disease
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    Specialty
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    Chief Complaint
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    Organ System
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    Headache(beta)

    Official guideline from the American College of Emergency Physicians.

    summary by Eric Steinberg, DO

    Diagnosis

    Risk Stratification

    Level B

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    Level B

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    Further Diagnostic Testing

    Level B

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    Lumbar Puncture

    Level C

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    Level C

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    Treatment

    Nonopioid Medications

    Level A

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    Level A
    Generally accepted principles for patient management that reflect a high degree of clinical certainty (ie, based on strength of evidence Class I or overwhelming evidence from strength of evidence Class II studies that directly address all of the issues).
    Level B
    Recommendations for patient management that may identify a particular strategy or range of management strategies that reflect moderate clinical certainty (ie, based on strength of evidence Class II studies that directly address the issue, decision analysis that directly addresses the issue, or strong consensus of strength of evidence Class III studies).
    Level C
    Other strategies for patient management that are based on preliminary, inconclusive, or conflicting evidence, or in the absence of any published literature, based on panel consensus.