Table 1.

Results of the arterial blood gas analysis of the patient at admission and after 24 hours.

Parameters	At admission	After 24 hours
Hemoglobin (g/dL)	13	13.6
Temperature (°C)	37	37
pH	7.40	7.47
PCO2 (mmHg)	27	32
PO2 (mmHg)	37	110
BE (mEq/L)	−7	−0.1
BEecf (mEq/L)	−8.5	−0.9
BB (mEq/L)	40	47.3
HCO3 (mEq/L)	16	22.8
O2 saturation (%)	69	98.6

BEecf: base excess in the extracellular fluid; BB: buffer base.