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the amount of heat that must be added to a substance to cause a complete change of state
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
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
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
O2 delivery device characterized by small hollow prongs that are inserted into the external nares, 1-6 L/M, low flow
O2 mask that uses a venturi device to provide precise concentrations of high flow O2 to a patient, a.k.a. air entrainment masks
clear plastic enclosure that is placed around a pediatrics head to deliver oxygen therapy, high flow
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
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
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