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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 D<br />

Mechanical Ventilation<br />

Fresh Gas fills distal part of<br />

corrugated tube<br />

<br />

<br />

<br />

<br />

<br />

<br />

FGF delivered to the patient end<br />

APL valves + breathing bag at the<br />

expiratory end of the circuit<br />

Efferent reservoir system<br />

Spontaneous ventilation<br />

FGF = 2.5 x Minute Volume<br />

Bad<br />

~15l min-1<br />

Manual Vent<br />

FGF = Minute Volume<br />

Good<br />

Inner tube leak dangerous

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