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Critical Care
APACHE II Score
Disease severity and mortality prediction in ICU.
Calculator
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Age
Select option...
≤44
45-54
55-64
65-74
≥75
Temperature (°C)
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≥41 or ≤29.9 (4)
39-40.9 or 30-31.9 (3)
32-33.9 (2)
38.5-38.9 or 34-35.9 (1)
36-38.4 (0)
Mean Arterial Pressure
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≥160 or ≤49 (4)
130-159 (3)
110-129 or 50-69 (2)
70-109 (0)
Heart Rate
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≥180 or ≤39 (4)
140-179 or 40-54 (3)
110-139 or 55-69 (2)
70-109 (0)
Respiratory Rate
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≥50 or ≤5 (4)
35-49 (3)
6-9 (2)
25-34 or 10-11 (1)
12-24 (0)
Arterial pH
Select option...
≥7.7 or <7.15 (4)
7.6-7.69 or 7.15-7.24 (3)
7.25-7.32 (2)
7.5-7.59 (1)
7.33-7.49 (0)
Serum Sodium
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≥180 or ≤110 (4)
160-179 or 111-119 (3)
120-129 (2)
150-159 (1)
130-149 (0)
Serum Potassium
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≥7.0 or <2.5 (4)
6.0-6.9 (3)
2.5-2.9 (2)
5.5-5.9 or 3.0-3.4 (1)
3.5-5.4 (0)
Serum Creatinine
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≥3.5 (4)
2.0-3.4 (3)
1.5-1.9 or <0.6 (2)
0.6-1.4 (0)
Acute Renal Failure (Double Cr points)
Hematocrit
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≥60 or <20 (4)
20-29.9 (2)
50-59.9 (1)
30-49.9 (0)
WBC (x1000)
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≥40 or <1 (4)
20-39.9 or 1-2.9 (2)
15-19.9 (1)
3-14.9 (0)
Actual GCS (3-15)
points
Severe Chronic Organ Insufficiency
Select option...
No (0)
Yes, Non-operative or Emergency Post-op (5)
Yes, Elective Post-op (2)
Results
Enter patient data to see calculated results.
