1.
47 mmHg: water vapor pressure at 37C (normal body temperature)
2.
50 PSI: standard working PSI in medical gas
3.
760 mmHg: the pressure of air at sea level
4.
ASSS: american standard safety system
5.
avogadro's law: 6.02x10 to 23rd power
6.
boiling point: temperature at which a liquid converts to a gaseous state
7.
bourdon flowmeter: pressure gauge used on E tanks
8.
boyle's law: V1P1=V2P2 or V1/V2=P2/P1, temperature is constant so they cancel out
9.
celsius to fahrenheit formula: (9/5 x C) + 32
10.
celsius to kelvin formula: c+273
11.
charle's law: V1/T1=V2/T2, pressure is constant so they cancel out
12.
color for carbon dioxide: gray
13.
color for compressed air: yellow
14.
color for heliox: brown and green
15.
color for helium: brown
16.
color for nitrous oxide: light blue
17.
color for oxygen: green
18.
combined gas law: P1V1/T1=P2V2/T2
19.
concentrators: provide O2, mainly for home use, 2 types, molecular seive and membrane
20.
condensation: the opposite of evaporation, conversion of a substance from a gas to a liquid
21.
conversion factor for E cylinder: .28
22.
conversion factor for G cylinder: 2.41
23.
conversion factor for H cylinder: 3.14
24.
dalton's law: PO2=(total barometric pressure)(gas),
example PO2=(760)(0.21).....PO2=159 mm Hg
25.
DISS: diameter index safety system
26.
evaporation: process in which liquid changes into the vapor state
27.
fahrenheit to celsius formula: 5/9 (f-32)
28.
formula for work: W=FxD, work=force x distance
29.
freezing point: the temperature at which a liquid is changed to a solid state
30.
gay-lussac's law: P1/T1=P2/T2, volume is constant so they cancel out
31.
joules: unit of energy or work, 1J=1N
32.
kelvin to celsius formula: k-273
33.
kinetic energy: what is energy in motion
34.
kinetic energy equation: KE=1/2(mv2) [2 is squared]
35.
kinetic energy, and potential energy: the 2 types of energy (mechanical)
36.
laminar flow: fluid flow in streamlines, normally associated with the movement of fluids through tubes with smooth surfaces and fixed radii, desired flow when giving treatment to a patient
37.
laplace's law: P=2(ST/r)
38.
latent heat: the amount of heat that must be added to a substance to cause a complete change of state
39.
liquid O2: the type of gas that lasts longer
40.
max filling/service pressure of med gas tank for E & H: 2000 psi for E, 2200 psi for H, add 10% to psi if approved
41.
melting point: the temperature at which a solid converts to a liquid
42.
minimum PSI to room outlet: 50 PSI
43.
nasal cannula: O2 delivery device characterized by small hollow prongs that are inserted into the external nares, 1-6 L/M, low flow
44.
nonrebreather mask: low flow O2 mask similar to a partial-rebreather except they have one way valves, one between the bag and mask, and the others at the exhalation port of the mask, theoretically provide 100% O2, but in actual practice deliver an FIO2 of 0.6 to 0.8
45.
oxygen hood: clear plastic enclosure that is placed around a pediatrics head to deliver oxygen therapy, high flow
46.
partial-rebreathing mask: low flow O2 mask with an attached reservoir bag that allows patient to reinhale the first third of their exhaled breath, delivers FIO2 of 0.4 to 0.6 with O2 flows of 6 to 8 L/M
47.
PISS: pin index safety system
48.
potential energy equation: PE=mgh
49.
power: measure of the rate at which work is being performed, P=W/T
50.
simple O2 mask: low flow mask to deliver O2, 35% to 50% FIO2 at 5 to 10 L/M...no less than 5 L/M
51.
sublimation: process in which solid molecules completely bypass the liquid state and change to a gas
52.
thorpe tube flowmeter: pressure gauge used for gas outlet in patient rooms, gas suspends steel ball
53.
turbulent flow: movement of fluid that become chaotic and the concentric layers seen with laminar flow is lost, occurs when viscosity of fluid increases sharply, the tubes radius varies, and when the tubes surface is rough and uneven
54.
venturi mask: O2 mask that uses a venturi device to provide precise concentrations of high flow O2 to a patient, a.k.a. air entrainment masks
