Case 2 – Venous blood gas – Handout
Lucy Potts
Venous blood gas
Note: ABG not performed in child. VBG performed instead.
| Test | Case result | Reference range |
|---|---|---|
| pH | 7.0 | 7.35-7.45 |
| pCO2 (mmHg) | 21.8 | 40-50 |
| pO2 (mmHg) | 53.3 | 30-55 |
| HCO3- (mEq/L) | 9 | 22-26 |
| Base Excess (mmol/L) | -23.5 | -2 to +2 |
| Lactate (mmol/L) | 2.5 | <2.0 |
