Table 1.
Patient’s arterial blood gas values before and after parasternal block
| Pre-block | Post-block | |
|---|---|---|
| FiO2 (%) | 80 | 21 |
| pH | 7.212 | 7.349 |
| pCO2 (mmHg) | 65.7 | 45.4 |
| pO2 (mmHg) | 62.1 | 98.4 |
| pO2/FIO2 | 77.6 | 488.5 |
| cNa+ (mmol/L) | 136 | 136 |
| cK+(mmol/L) | 4.5 | 4.5 |
| cLac (mg/dL) | 9 | 9 |
| ctHb (g/dL) | 12.8 | 12.6 |
| cGlu (mg/dL) | 150 | 164 |
| HCO3 − (mmol/L) | 20.2 | 25.5 |
| SBEc (mmol/L) | −3.3 | −1 |
cGlu concentration of glucose, cK + concentration of potassium, cLac concentration of lactate, cNa + concentration of sodium, ctHb concentration of total hemoglobin, FiO 2 fraction of inspired oxygen, HCO 3 − bicarbonate concentration, pCO 2 partial pressure of carbon dioxide, pO 2 partial pressure of oxygen, SBEc standard base excess (corrected)