Possum and P Possum
POSSUM and P-POSSUM for risk-adjusted audit of patients undergoing emergency laparotomy.

Included in MedCalc 3
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Anonymous commented
Would be great to have this score. We use it daily
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Anonymous commented
For calculating risk of mortality in surgical patients
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Possum and P-Possum are included in MedCalc 3.
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James Nayyar commented
Still not added... Surprising!
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Anonymous commented
Essential to have - surprised it's missing!
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James Nayyar commented
Essential! Can't believe it's not already included!
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Anonymous commented
Would be very very useful !
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Anonymous commented
Also for anesthesia
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Anonymous commented
Surgeons should b having this formula in smart phone! It's a Necessity!
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Anonymous commented
Please add this calculation
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J Varghese commented
This scoring is recommend by the RCS of England
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Steve commented
Recommended by NCEPOD to predict mortality after general surgical cases, and appropriate allocation of critical care beds