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Anaesthesia

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Premedication

Question
20 out of 24
 

End tidal carbon dioxide is decreased in all except:



A Pulmonary embolism

B Cardiac arrest

C Exhausted sodalime

D Displacement of endotracheal tube

Ans. C

Exhausted sodalime

End tidal carbon dioxide is decreased in:

1. Pulmonary embolism.

2. Cardiac arrest (becomes zero).

3. Accidental extubation (becomes zero).

4. Obstruction or disconnection of endotracheal tube.

It may increase in:

1. Exhausted sodalime.

2. Defective valves of closed circuit.

3. Malignant hyperthermia, thyrotoxicosis, fever.

Premedication Flashcard List

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