Calc Function

  • Diagnosis
  • Rule Out
  • Prognosis
  • Formula
  • Treatment
  • Algorithm
  • Disease
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    Chief Complaint
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    Organ System
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    Diagnosis and Management of Achalasia(beta)

    Official guideline from the American College of Gastroenterology.

    summary by Shawn Shah, MD

    Diagnosis

    PPI Trial

    Strong recommendation
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    Low quality evidence

    Esophageal Motility Testing

    Strong recommendation
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    Low quality evidence

    Esophagram

    Strong recommendation
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    Low quality evidence

    Barium Esophagram

    Strong recommendation
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    Low quality evidence

    Endoscopy

    Strong recommendation
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    Moderate quality evidence

    Treatment

    Pneumatic Dilation

    Strong recommendation
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    Moderate quality evidence

    Surgical Myotomy

    Strong recommendation
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    Moderate quality evidence

    Initial Therapy

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    Low quality evidence

    Botulinum Toxin Injection

    Strong recommendation
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    Moderate quality evidence

    Pharmacologic Therapy

    Strong recommendation
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    Low quality evidence

    Follow-up

    Esophagram

    Strong recommendation
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    Low quality evidence

    Surveillance Endoscopy

    Strong recommendation
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    Low quality evidence

    How strong is the ACG's recommendation?

    Strong recommendation
    Intervention's desirable effects clearly outweigh undesirable effects.
    Moderate recommendation
    Further research likely to impact confidence in estimate of effect.
    Conditional recommendation
    Uncertainty in tradeoffs between desirable & undesirable effects of intervention.
    Uncertainty in tradeoffs between desirable & undesirable effects of intervention.
    High quality evidence
    Further research unlikely to change guideline authors' confidence in estimate of effect.
    Between high and moderate levels of evidence.
    Moderate quality evidence
    Further research likely to impact confidence in estimate of effect.
    Low quality evidence
    Further research expected to have important impact in confidence in estimate of effect.
    Very low quality evidence
    Effect is very uncertain.