Unknown 5 year old child going for sitting craniotomy, while positioning in O.T. developed end tidal CO2- Zero mmHg, PO2- 80 mm Hg implies that : A Venous air embolism B Left lung collapse C Endotracheal tube in Oesophagus D Endotracheal tube blocked with secretions 💡 Explanation 5 year old child going for sitting craniotomy, while positioning in O.T. developed end tidal CO2- Zero mmHg, PO2- 80 mm Hg implies that : ✓ Correct Answer: A. Venous air embolism