Table 2.

Values of oxygen saturation, pH, bicarbonate and lactate in rest and after exercise in our patient

	Normal	Rest	Exercise
pH	7.35–7.45	7.43	7.24
pO2 (kPa)	10.0–13.3	17.8	16.7
pCO2 (kPa)	4.7–6.4	4.5	3.7
O2 saturation (%)	96–100	100	99
Bicarbonate (mmol/L)	22.0–29.0	22.3	11.4
Base-excess	−2–2	−0.6	−14.9
Lactate (mmol/L)	0.6–2.4	1.4	18