Anaesthesia 5 year old child going to sitting craniotomy while positioning in O.T. developed end tidal CO2 0mm HgPO2 80 mm Hg implies – A Endotracheal tube in oesophagus B E.T. blocked with secretion C Venous air Embolism D Left lung collapse 💡 Explanation 5 year old child going to sitting craniotomy while positioning in O.T. developed end tidal CO2 0mm HgPO2 80 mm Hg implies – ✓ Correct Answer: C. Venous air Embolism