TYK115

Which of the following is best for controlled ventilation?

a) Mapleson A

b) Mapleson B

c) Mapleson C

d) Mapleson D

e) Mapleson E

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Answer

Answer d.

The Mapleson D circuit is most efficient for controlled ventilation due to minimization of efferent gas rebreathing. The Mapleson A circuit is most efficient for spontaneous ventilation. In the United States, the Mapleson D (or a variant of it, called the Bain modification) is the most commonly used of the open anesthesia breathing circuits.

Notes

This question originally printed in the Pediatric Anesthesiology Review Topics kindle book series, and appears courtesy of Naerthwyn Press, LLC.

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