Skip to main content

Table 2 acid–base variables in patients with cardiac arrest and with minor injuries

From: A quantitative analysis of the acidosis of cardiac arrest: a prospective observational study

Variable

Cardiac arrest

Minor injury

P

pH

6.90 ± 0.21

7.39 ± 0.08

0.0001

PCO2 (Torr)

78.3 ± 42.8

39.2 ± 9.1

0.0001

Bicarbonate (mmol/l)

13.8 ± 5.4

22.8 ± 3.5

0.0001

Standard base excess (mmol/l)

-19.1 ± 6.2

-1.5 ± 3.6

0.0001

Sodium (mmol/l)

140.4 ± 5.9

139.6 ± 2.8

0.49

Potassium (mmol/l)

7.3 ± 2.6

3.6 ± 0.4

0.0001

Ionized calcium (mmol/l)

1.31 ± 0.12

1.17 ± 0.08

0.0001

Total magnesium (mmol/l)

1.17 ± 0.27

0.86 ± 0.14

0.0001

Chloride (mmol/l)

98.6 ± 5.9

103.0 ± 4.6

0.0002

Lactate (mmol/l)

14.3 ± 5.8

2.5 ± 1.8

0.0001

Albumin (g/dl)

3.4 ± 0.7

3.9 ± 0.5

0.0002

Phosphate (mmol/l)

2.95 ± 1.07

1.06 ± 0.36

0.0001

Anion gap (meq/l)

20.1 ± 7.4

11.0 ± 3.5

0.0001

SIDa (meq/l)

38.9 ± 4.6

41.0 ± 2.9

0.22

SIDe (meq/l)

26.5 ± 6.1

35.9 ± 4.0

0.0001

Strong ion gap (meq/l)

12.4 ± 6.0

5.1 ± 3.6

0.0001

  1. PCO2, partial pressure of CO2; SIDa, apparent strong ion difference; SIDe, effective strong ion difference.