Arterio - Venus Oxygen Difference Flashcards
1
Q
What is A-VO2 diff?
A
The difference between the oxygen content of the arterial blood arriving at the muscles and the venous blood leaving the muscles.
2
Q
What is A-VO2 diff measured in?
A
ml/100ml
3
Q
What happens to A-VO2 diff during exercise?
A
Increases, due to muscles requiring more oxygen. This oxygen will then be used to re-synthesis ATP through the aerobic system - to maintain aerobic respiration.
4
Q
What are the two physiological changes due to A-VO2 diff?
A
- Increased capillarisation
- Increased myoglobin levels
