CPET

Question 1

PETO2

Answer 1

End tidal O2

Question 2

PETCO2

Answer 2

End tidal CO2

Question 3

Surrogate for arterial CO2 (PaCO2)

Answer 3

PETCO2

Question 4

Ve

Answer 4

Expired ventilation (Minute ventilation)

Question 5

PAO2

Answer 5

Alveolar oxygen

Question 6

4 values derived from the lungs on CPET

Answer 6

Ve PETO2 PETCO2 PAO2

Question 7

Q

Answer 7

Cardiac output

Question 8

PaO2

Answer 8

Arterial oxygen pressure

Question 9

CaO2

Answer 9

Arterial oxygen content

Question 10

SaO2

Answer 10

Arterial oxygen sat

Question 11

PaCO2

Answer 11

Arterial carbon dioxide pressure

Question 12

4 values from the arteries on CPET

Answer 12

PaO2 CaO2 SaO2 PaCO2

Question 13

VO2

Answer 13

Oxygen consumption (uptake by muscles)

Question 14

VCO2

Answer 14

CO2 production by muscles

Question 15

2 values from muscles in CPET

Answer 15

VO2 VCO2

Question 16

3 values from veins in CPET

Answer 16

SvO2 CvO2 PvO2

Question 17

SvO2

Answer 17

Venous oxygen sat

Question 18

CvO2

Answer 18

Venous oxygen content

Question 19

PvO2

Answer 19

Venous oxygen pressure

Question 20

FICK equation

Answer 20

VO2 = Q x (CaO2 - CvO2)

Question 21

Normal amount of oxygen extracted at peak exercise

Answer 21

80% (Does not change in diseased state)

Question 22

Normal RPM for cycle ergometer to achieve desired work rate

Answer 22

55 - 65 rpm

Question 23

RER

Answer 23

Respiratory exchange ratio

Question 24

AT

Answer 24

Anaerobic threshold

Question 25

HRR

Answer 25

Heart rate recovery

Question 26

Measurement of HR 1 minute after stopping exercise in CPET

Answer 26

Heart rate recover (HRR)

Question 27

Normal range for HRR

Answer 27

20 - 30 (< 12 is abnormal)

Question 28

VR

Answer 28

Ventilatory reserve

Question 29

Vd/Vt

Answer 29

Dead space ventilation

Question 30

Normal range for VO2

Answer 30

> 80%

Question 31

VO2 threshold suggesting serious cardiopulmonary disease is not likely

Answer 31

> 20%

Question 32

Normal % of VO2 for people to hit anaerobic threshold

Answer 32

50-66%

Question 33

Anaerobic threshold of VO2 that suggests cardiac impairment

Answer 33

< 40%

Question 34

Answer 34

V slope curve for anaerobic threshold

Question 35

Answer 35

Minute ventilation for anaerobic threshold

Question 36

Formula for max HR

Answer 36

220 - age

Question 37

VO2/HR

Answer 37

Oxygen pulse

(Surrogate of SV)

Question 38

Normal VO2/HR

Answer 38

> 80% or

15 ml/beat in men

10 ml/beat in women

Question 39

MVV

Answer 39

Maximum voluntary ventilation

Question 40

MVV formula from PFT

Answer 40

FEV1 x 40

Question 41

Ventilatory reserve formulas (2)

Answer 41

VEmax/MVV x 100 (n = < 75%)

MVV - VEmax (n = > 11L)

Question 42

Answer 42

Exercise Oscilatory Breathing (EOB)

Cardiac limitation

Poor prognosis

High risk of sudden cardiac death

Question 43

VE/VCO2

Answer 43

Amount of exhaled volume needed to expell 1L of CO2

Question 44

Normal increase in VO2 with exercise

Answer 44

12-18x baseline

Question 45

Normal increase in HR with exercise

Answer 45

2.5 - 3 x baseline

Question 46

Normal increase in SV with exercise

Answer 46

1.5 - 2 x baseline

Question 47

Normal increase in CO in exercise

Answer 47

4-5 x baseline

Question 48

Normal increase in Ve with exercise

Answer 48

20-25 x baseline

Question 49

Answer 49

Cardiac limitation pattern

Question 50

Answer 50

Pulmonary Limitation patter

Question 51

Answer 51

Pulmonary vascular disease/ILD pattern

Question 52

Answer 52

Normal pattern

Question 53

Normal A-a gradient

Answer 53

5-20

Question 54

Normal Max Vt

Answer 54

60% of FVC

Question 55

Normal Ve

Answer 55

<60-80% of MVV

Question 56

Normal PETCO2

Answer 56

35-45

Question 57

Normal PETO2

Answer 57

100-115

Question 58

Normal Dead Space

Answer 58

0.25 - 0.35

Question 59

Normal Ve/Vco2

Answer 59

24-34

Question 60

Normal Ve/Vo2

Answer 60

22-32