cardiovascular drift Flashcards
1
Q
what is cardiovascualr drift
A
decrease in SV and arterial pressure but a progressive increase in HR
warm enviorments, prolonged exercise
2
Q
why does CD occur
A
when we sweat, portion of this lost fluid comes from plasma volume
decrease in plasma volume, decreases sv and venous retun
increase in HR is to maintain and compensate higher cardiac ouput to allow enough enery for the body to cool down
minimised by maintain high fluid consumption
