CPET Criteria of normality Flashcards
1
Q
VO2 and cycle work rate
A
> 80-85% predicted
2
Q
AT or VT threshold
A
> 40% VO2 max
3
Q
Heart rate
A
> 90% age predicted max
4
Q
Heart Rate Reserve (max)
A
<15 bpm
5
Q
O2 pulse
A
> 80% predicted
6
Q
Ventilatory reserve
A
> 11L/min or <80-85% MVV
7
Q
Breathing frequency
A
<60 breaths/min
8
Q
VE/VCO2 ratio at AT and Max
A
<32-34 and <36-40
9
Q
VD/VT (dead space to tidal volume)
A
0.28
10
Q
SaO2
A
> 95% or change less than 4% from baseline
11
Q
PaO2
A
> 80 mmHg
12
Q
P(A-a)O2
A
<35mmHg
