Pushing the Envelope in Obstetric Care: A Case Report of Cesarean Delivery in a Parturient with a BMI >100 kg m⁻²

Table 1

Perioperative time course of physiological variables.

Time after start of procedure	pH	PCO2 (mmHg)	PO2 (mmHg)	Hb (gm/dL)	BE (mmol/L)	HCO3 (mEq/L)	Lactate (mmol/L)
15 minutes	7.38	38	147	9.7	−2.4	22.5	0.8
After 1 hour	7.38	33	159	8.7	−5	19.5	0.7
After 1.75 hours	7.36	38	178	9.9	−3.6	21.5	0.9
After 6 hours				10.2
After 24 hours				8.8

Hb: hemoglobin; BE: base excess; HCO₃: bicarbonate.