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Anesthesia Equipment > Gas Supply and Distribution > Flashcards

Gas Supply and Distribution Flashcards

1
Q

PSI

A

Pounds per Square Inch

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2
Q

PSIg

A

Pounds per square inch guage
The difference between measured pressure and surrounding atmospheric pressure
Read 0 at atmospheric pressure

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3
Q

PISa

A

Pounds per square inch absolute

PSIg + local atmospheric pressure

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4
Q

Regulatory agency that enforce medical gas purity

A

FDA

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5
Q

DOT regulations

A

Regulate how gas cylinders are manufactured, labeled, filled, transported, stored & disposed of.

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6
Q

Gases Used in Anesthesia

A

Oxygen, Air, nitrous oxide, helium, nitrogren, nitric oxide, carbon dioxide

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7
Q

Gases provided only in cylinders

A

Helium, heliox, nitric oxide, carbon dioxide

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8
Q

Pin Index Safety System

A

Keeps cylinders matched with correct inlet

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9
Q

Oxygen PISS

A

2,5

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10
Q

Air PISS

A

1,5

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11
Q

N2O PISS

A

3,5

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12
Q

Directions on how to install E-Cylinder

A
  1. Place cylinder gasket over yoke inlet
  2. Align pins and cylinder valve
  3. Push cylinder forward into yoke
  4. Rotate yoke arm up and over to close
  5. Turn T-handle clockwise until it’s tight and holds cylinder in place
  6. Use cylinder wrench to open or close cylinder valve.
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13
Q

Cylinder Primary Regulator

A

Takes the pressure from cylinders and decreases it to 45 Psi

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14
Q

Empty Weight and Dimensions of E Cylinder

A

14kg, 4.5 x 26

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15
Q

Air

A

625L, 1800 psi, US-yellow, Intl-WBl, gas

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16
Q

Oxygen

A

660L, 2000psi, US-green, Intl-White, gas

17
Q

Nitrous Oxide

A

1590L, 750psi, US-blue, Intl-Blue, gas/liquid

18
Q

CO2

A

1590L, 838psi, US-gray, Intl-gray, gas/liquid

19
Q

Helium

A

500L, 1600psi, Us-brown, Intl-brown, gas

20
Q

Heliox

A

500L, +, US-BrG, Intl-BrW, Gas

21
Q

N2

A

610L, 1900psi, US-Bl, Intl-Bl, gas

22
Q

How many liters of Oxygen does an H cylinder hold

A

6900L

23
Q

E cylinder Use Equation

A

(.33) * guage pressure/ O2 consumption

24
Q

N20 cylinder use

A

M1V1=M2V2 where M2= 44g and V2=22.4L

25
Q

Pipeline

A

Primary source of gas, 50PSIg

26
Q

Pipeline supply source for Oxygen

A

Liquid oxygen tank with vaporizer and pressure-reducing valve

27
Q

Pipeline supply source for N20

A

H-cylinders in basement

28
Q

Pipeline Safety System

A

Diameter Index Safety System

Color and diameter coordinated, standardized diameter to avoid hypoxic gas delivery

29
Q

Master Alarm System

A
  • Monitors central supply and distribution system for all gases
  • Signal changes in pressure, supply changeover, and depletion of supply
30
Q

Area (local) Alarm System

A
  • Monitors a specific area

- Signals pressure changes 20% above/below normal operating pressure

Anesthesia Equipment (1 decks)

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