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.: (A) Increased maternal pH, (B) Decreased EtCO2, (C) Bleeding diathesis, (D) Upsloping EtCO2  tracing
Answer is A. Amniotic fluid embolism-cardinal signs

Branchospasm
Hypoxemia
Shock
Maternal acidosis
Coagulopathy (DIC)
Altered mental status