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: Venous air embolism
Description: Ans. is 'a' i.e. Venous Air embolismThe cranial sinuses have negative air pressure.So, it is possible that if the pt. is in the wrong position while operation, the sinuses may suck some air d/t their negative pressure which can cause a venous embolism.The given value for the gases can occur only in Venous air embolism.
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