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Breathing Circuits and Vaporizers Breathing Circuits ... - KSS Deanery

Breathing Circuits and Vaporizers Breathing Circuits ... - KSS Deanery

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Mapleson E <strong>and</strong> “F”<br />

<br />

<br />

<br />

<br />

<br />

Used in Paediatrics<br />

Performs in a similar way to<br />

the Mapleson D<br />

No valves = little resistance to<br />

breathing<br />

Introduced in 1937 by P Ayre <strong>and</strong><br />

is known as the Ayre's T-piece<br />

Jackson-Rees modification which<br />

has an open bag attached to the<br />

expiratory limb<br />

<br />

Spont Vent FGF = 3 x Minute<br />

Volume<br />

Manual Vent FGF = 1000 +<br />

100 mls/kg

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