Exercise Stress testing Flashcards
1
Q
pH of exercising muscle
A
7.00
1
Q
point at which aerobic metabolism ceases and anaerobic metabolism begins
A
15-20mmHg PaO2
2
Q
primary buffer for H ions
A
bicarb
3
Q
normal resting PaO2 of resting tissue
A
100mmHg
4
Q
indications CPET
A
unexplained dypsnea
undiagnosed exercise intolerance
suitability for heart/lung transplant
pre-op eval
disability info
prognosis in heart failure
5
Q
point of critical capillary PaO2 for a given tissue
A
anaerobic threshold
7
Q
RER =
A
respiratory exchange ratio = measurement of RQ at atmospheric level (vs tissue level)
8
Q
VAT =
A
point at which lines explaining VCO2 as a function of VO2 intersect
9
Q
RQ=
A
respiratory quotient - ratio of rate of CO2 prodction to oxygen consumption
