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Flashcards in Midterm Deck (47):
1

What is the cylinder factor for an E tank?

0.28

2

What is the cylinder factor for an H tank?

3.14

3

What is the pressure of a tank when full?

2000 psi

4

What is the pressure of a tank that's been fit tested?

2200 psi

5

How do you find the duration of flow for a tank?

(pressure x cylinder) / flow

6

What is a PISS system?

yoke type of system with different pin holes for different types of gas cylinders (6 holes with 10 combinations)

7

What is a DISS system?

external and internal threads and a nut that all match/go with the same gas so you can't cross thread between different gases

8

What is an air entrainment system?

direct high pressure oxygen source through a small jet surrounded by air entrainment ports

9

How does the amount of air entrained by air entrainment systems vary?

directly with the size of the port and the velocity of oxygen at the jet (the larger the intake ports and the higher the gas velocity at the jet, the more air is entrained)

10

How does the amount of air entrained affect the flow and FiO2?

the higher the total output flow and the delivered FiO2 is lower

11

Air to oxygen ratio

(100-x) / (x-21)

12

How do you calculate total flow?

(air + O2) x flow

13

What is absolute humidity?

The amount of water extracted from air

14

What is relative humidity?

the ratio of its actual water vapor content to its saturated capacity at a given temperature (the gas' water vapor when not fully saturated)

15

What is body humidity?

ratio of its actual water vapor content to the water vapor capacity in saturated gas at body temperature (37degreesC)

16

What is humidity deficit?

the amount of water vapor the body must add to the inspired gas to achieve saturday at body temperature

17

CPR

-for every 30 compressions, give 2 breaths
-give 1 breath for every 5 seconds when bagging

18

What is a bourdon gage?

an uncompensated regulator that is used for transport (fixed orifice)

19

What is a thorpe tube flow meter?

a compensated flow meter that attaches to a 50 psi gas source (variable orifice)

20

Nasal cannula

FiO2 24%-40%
up to 6 L/min, but must use a humidifier if 4 L/min or higher

21

Simple mask

FiO2 35%-50%
5-10 L/min

22

Partial rebreather

FiO2 40%-70%
minimum of 10 L/min

23

Non rebreather

FiO2 60%-80%
minimum of 10 L/min and inspiration the bag must be full and prevented from collapsing

24

Small volume nebulizer

6-8 L/min

25

Large volume nebulizer

should see mist coming out

26

Air entrainment mask

FiO2 24%-50%
flow should be >60 L/min

27

High flow nasal cannula

FiO2 35%-90%
up to 40 L/min

28

What is normal flow?

30 L/min

29

What happens if you have a bigger jet nozzle?

higher FiO2

30

Troubleshooting

-condensation or kinking: decreases flow and increases FiO2, and RAW increases
-whistling indicates a leak or tube is obstructed (pressure relief valve)

31

What does oxygen therapy do?

-decreases: work of breathing, shortness of breath, heart rate and respiratory rate
-increases: SpO2 and PaO2

32

What is the normal systolic range for BP?

90-140

33

What is the normal diastolic range for BP?

60-90

34

What is the normal pulse pressure?

30-40

35

What is the normal respiratory rate?

12-20

36

What is a normal pulse?

80-100

37

What is normal SpO2?

93-100

38

What is normal PaO2

80-100

39

What is eupnea?

normal, relaxed breathing

40

What is hyperpnea?

increased depth of breathing

41

What is orthopnea?

shortness of breath when lying flat

42

What is platypnea?

shortness of breath when sitting up

43

What is dyspnea?

shortness of breath

44

What is paroxysmal nocturnal asthma?

severe shortness of breath and coughing that generally occurs at night, and is relieved in the upright position

45

What is biot's breathing?

clustering of rapid, shallow breaths coupled with regular or irregular periods of apnea caused by damage to brain from stroke or trauma

46

What is cheyne stokes breathing?

irregular type of breathing; breaths increase and decrease in both depth and rate with periods of apnea caused by CHF and severe brain injurt

47

What is kussmaul's breathing?

deep and fast respirations caused by metabolic acidosis