Cardiovascular drift + Heart rate range Flashcards
1
Q
How does cardiovascular drift occur
A
10 mins of exercise in hot environment
Person sweats, decrease in blood plasma
Blood viscosity increases
Venous return decreases
Elastic cardiac muscle is not stretched enough so decrease in stroke volume
HR increases to maintain cardiac output
2
Q
What is heart rate range
A
Difference between resting and maximal heart rate.
3
Q
What does a greater HRR mean
A
Stronger heart, hypertrophy leads to bradycardia
