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PERC Rule and Calculating Risk

by Sharon Bord, MD
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    About the Lecture

    The lecture PERC Rule and Calculating Risk by Sharon Bord, MD is from the course Respiratory Emergencies.


    Included Quiz Questions

    1. PERC negative means having at least two of the evaluated parameters in the PERC rule
    2. The following are evaluated using PERC rule: age, heart rate, oxygen saturation, estrogen use, history of DVT, recent trauma/surgery, hemoptysis, or unilateral leg swelling
    3. If the risk of embolus is < 2 %, no further work up is indicated
    4. It should be used only in patients who are low risk by Well’s criteria
    1. Hemoptysis is equal to 2 points
    2. A score of 2 is considered low risk
    3. A score of 4 is considered moderate risk
    4. A score of greater than 4.5 is considered high risk
    5. Clinical signs and symptoms of DVT is equal to 3 points

    Author of lecture PERC Rule and Calculating Risk

     Sharon Bord, MD

    Sharon Bord, MD


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