The acid-base abnormality subscore is based on the patient's arterial pCO2 and pH.
Scoring:
(1) The points are assigned for the most abnormal (worst) value in a 24 hour period.
(2) If a value is not available, then score as if normal.
|
pH |
pCO2 |
||||||||
|---|---|---|---|---|---|---|---|---|---|
|
|
< 25 |
25 - < 30 |
30 - < 35 |
35 - < 40 |
40 - < 45 |
45 - < 50 |
50 - < 55 |
55 - < 60 |
>= 60 |
|
< 7.15 |
12 |
12 |
12 |
12 |
12 |
12 |
4 |
4 |
4 |
|
7.15 - < 7.2 |
12 |
12 |
12 |
12 |
12 |
12 |
4 |
4 |
4 |
|
7.20 - < 7.25 |
9 |
9 |
6 |
6 |
3 |
3 |
2 |
2 |
2 |
|
7.25 - < 7.30 |
9 |
9 |
6 |
6 |
3 |
3 |
2 |
2 |
2 |
|
7.30 - < 7.35 |
9 |
9 |
0 |
0 |
0 |
1 |
1 |
1 |
1 |
|
7.35 - < 7.40 |
5 |
5 |
0 |
0 |
0 |
1 |
1 |
1 |
1 |
|
7.40- < 7.45 |
5 |
5 |
0 |
0 |
0 |
1 |
1 |
1 |
1 |
|
7.45 - < 7.50 |
5 |
5 |
0 |
2 |
2 |
12 |
12 |
12 |
12 |
|
7.50 - < 7.55 |
3 |
3 |
3 |
3 |
12 |
12 |
12 |
12 |
12 |
|
7.55 - < 7.60 |
3 |
3 |
3 |
3 |
12 |
12 |
12 |
12 |
12 |
|
7.60 - < 7.65 |
0 |
3 |
3 |
3 |
12 |
12 |
12 |
12 |
12 |
|
>= 7.65 |
0 |
3 |
3 |
3 |
12 |
12 |
12 |
12 |
12 |
Interpretation:
• minimum subscore 0
• maximum subscore 12
Specialty: Critical Care, Emergency Medicine
