A 28 year old G3P2 parturient is undergoing general anaesthesia for emergency cesarean section due to uterine rupture. All these findings would suggest an amniotic fluid embolism pH except.
Amniotic fluid embolism-cardinal signs

Branchospasm
Hypoxemia
Shock
Maternal acidosis
Coagulopathy (DIC)
Altered mental status
Increased maternal pH
Decreased EtCO2
Bleeding diathesis
Upsloping EtCO2  tracing