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      Calc Function

    • Calcs that help predict probability of a diseaseDiagnosis
    • Subcategory of 'Diagnosis' designed to be very sensitiveRule Out
    • Disease is diagnosed: prognosticate to guide treatmentPrognosis
    • Numerical inputs and outputsFormula
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    Patent Pending

    El-Ganzouri Risk Index (EGRI) for Difficult Airway

    Predicts risk of difficult airway.
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    When to Use
    Pearls/Pitfalls

    Use in patients undergoing general anesthesia.

    "Difficult airway" was defined as inability to visualize laryngeal structures and epiglottis, or inability to achieve adequate mask ventilation.

    ≥4 cm
    0
    <4 cm
    +1
    >6.5 cm
    0
    6.0-6.5 cm
    +1
    <6.0 cm
    +2
    I (soft palate, fauces, uvula, and pillars seen)
    0
    II (soft palate, fauces, and uvula seen)
    +1
    III (soft palate and base of uvula seen)
    +2
    IV (soft palate not visible)
    +2
    >90°
    0
    80-90°
    +1
    <80°
    +2
    Yes
    0
    No
    +1
    <90 kg (198.4 lbs)
    0
    90-110 kg (198.4-242.5 lbs)
    +1
    >110 kg (242.5 lbs)
    +2
    None
    0
    Questionable
    +1
    Definite
    +2

    Result:

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    Next Steps
    Evidence
    Creator Insights

    Advice

    Consider precautions such as video-assisted laryngoscopy or awake intubation in high-risk patients.

    About the Creator
    Dr. Abdel R. El-Ganzouri
    Are you Dr. Abdel R. El-Ganzouri?