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Anaesthesia > Anaesthetic machine > Flashcards

Anaesthetic machine Flashcards

0
Q

List the 3 ‘emergency’ valves

A

Low O2 warning device
Over pressure valve
Emergency air intake

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1
Q

Purposes of anaesthetic machines (3)

A

Deliver safe concs of IAA
Deliver O2
Mobile ICU

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2
Q

Purpose of vaporizer

A

Dilutes saturates vapour of volatile anaesthetics to yield a range of safe concs

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3
Q

Purpose of emergency O2 flush

A

Bypasses vaporiser, delivering O2 to common gas outlet to flush anaesthetic from ABS

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4
Q

Purpose of check valve

A

Prevents retrograde gas flow, prevents gas transfer on cylinder changing

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5
Q

Purpose of pressure guage

A

O2: gas vol in cylinder
N2O: sat vapour pressure of gas

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6
Q

Purpose of emergency air intake valve

A

Detects no gas flow- opens so animal breathes room air

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7
Q

Purpose of low O2 warning device

A

Detects falling O2- stops N2O flow, sounds alarm

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8
Q

Purpose of over pressure valve

A

High gas pressure- opens valve, sounds alarm

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9
Q

Purpose of pressure regulator

A

Produces constant downward pressure for consistent gas flow

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Anaesthesia (4 decks)

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