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APACHE II Scoring System
Criteria
Value
Temperature (Degrees C)
>= 41 (4 points)
39-40.9 (3 points)
38.5-38.9 (1 point)
36-38.4 (0 points)
34-35.9 (1 point)
32-33.9 (2 points)
30-31.9 (3 points)
<= 29.9 (4 points)
Mean Arterial Pressure (mmHg)
>= 160 (4 points)
130-159 (3 points)
110-129 (2 points)
70-109 (0 points)
50-69 (2 points)
<= 49 (4 points)
Heart Rate
>= 180 (4 points)
140-179 (3 points)
110-139 (2 points)
70-109 (0 points)
55-69 (2 points)
40-54 (3 points)
<= 39 (4 points)
Respiratory Rate
>= 50 (4 points)
35-49 (3 points)
25-34 (1 point)
12-24 (0 points)
10-11 (1 point)
6-9 (2 points)
<= 5 (4 points)
A-aPO2(FiO2>50%) or PaO2(FiO2<50%)
>= 500 (4 points)
350-499 (3 points)
200-349 (2 points)
<200 or PaO2 > 70 (0 points)
PaO2 61-70 (1 point)
PaO2 55-60 (3 points)
PaO2 < 55 (4 points)
Arterial pH or HCO3
>= 7.7; >= 52 (4 points)
7.6-7.69 ; 41-51.9 (3 points)
7.5-7.59 ; 32-40.9 (1 point)
7.33-7.49 ; 32-40.9 (0 points)
7.25-7.32 ; 18-22.9 (2 points)
7.15-7.24 ; 15-17.9 (3 points)
< 7.15 ; < 15 (4 points)
Serum Na+ (mEq/L)
>= 180 (4 points)
160-179 (3 points)
155-159 (2 points)
150-154 (1 point)
130-149 (0 points)
120-129 (2 points)
111-119 (3 points)
<= 110 (4 points)
Serum K+ (mEq/L)
>= 7 (4 points)
6-6.9 (3 points)
5.5-5.9 (1 point)
3.5-5.4 (0 points)
3-3.4 (1 point)
2.5-2.9 (2 points)
< 2.5 (4 points)
Serum Creatinine (ARF means Acute Renal Failure)
>= 3.5 (4 points)
> 3.5 in ARF (8 points)
2-3.4 (3 points)
2-3.4 in ARF (6 points)
1.5-1.9 (2 points)
1.5-1.9 in ARF (4 points)
0.6-1.4 (0 points)
< 0.6 (2 points)
Hematocrit
>= 60 (4 points)
50-59.9 (2 points)
46-49.9 (1 point)
30-45.9 (0 points)
20-29.9 (2 points)
< 20 (4 points)
WBC Count(10^3/#gl)
>= 40 (4 points)
20-39.9 (2 points)
15-19.9 (1 point)
3-14.9 (0 points)
1-2.9 (2 points)
< 1 (4 points)
Glasgow Coma Score
Age (years)
>= 75 (6 points)
65-74 (5 points)
55-64 (3 points)
45-54 (2 points)
<= 44 (0 points)
Chronic Health Problems:
1) Cirrhosis of the liver confirmed by biopsy
2) New York Heart Association Class IV
3) Severe COPD -- Hypercapnia, home O2 use, or pulmonary hypertension
4) On regular dialysis or
5) Immunocompromised
None
Non-Surgical
Emergent operation
Elective operation
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