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APACHE II Score

Step-by-step mode. Answer each question and result updates automatically.

Step 1 of 18 6%

History of severe organ failure or immunocompromise *

Step 1 of 18

Type of surgery *

Step 2 of 18

Age *

Step 3 of 18
years

Temperature *

Step 4 of 18

Mean arterial pressure *

Step 5 of 18
mm Hg

pH *

Step 6 of 18

Heart rate/pulse *

Step 7 of 18
beats/min

Respiratory rate *

Step 8 of 18
breaths/min

Sodium *

Step 9 of 18
mmol/L

Potassium *

Step 10 of 18
mmol/L

Creatinine *

Step 11 of 18

Acute renal failure *

Step 12 of 18

Hematocrit *

Step 13 of 18
%

White blood cell count *

Step 14 of 18
× 10⁹ cells/L

Glasgow Coma Scale *

Step 15 of 18
points

FiO₂ *

Step 16 of 18

PaO₂, mmHg

Step 17 of 18

A-a gradient

Step 18 of 18

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    Knaus WA, Draper EA, Wagner DP, Zimmerman JE. APACHE II: a severity of disease classification system. Crit Care Med. 1985;13(10):818-829.
    Knaus WA, Wagner DP, Draper EA, et al. The APACHE III prognostic system. Chest. 1991;100(6):1619-1636.
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