YMCA and mod bruce

Question 1

relative indication to stop test (4)

Answer 1

Drop in SB > 10mmHg from baseline w absence of other sign of ischema
>250/115 mmHg
Increasing chest pain
Fatigue, shortness of breath, leg cramps or claudication

Question 2

absolute indication to stop test (4)

Answer 2

Drop in SB > 10mmHg from baseline w other sign of ischema
Subjects desire to stop
Moderately severe angina (3 + on scale)
Sustained ventricular tachycardia

Question 3

why must sbp always go up ?

Answer 3

co = sbp x hr , if the sbp does not go up it means it is not keeping up with the cardiac output and could lead to fainting due to lack of o2

Question 4

why must dbp not increase more then 10

Answer 4

if the artery walls are not dilating it could mean they are calcified and therefore low o2 to heart could lead to ischema

Question 5

what is vo2 max and what does it measure

Answer 5

the maximum or optimum rate at which the heart, lungs, and muscles can effectively use oxygen during exercise, used as a way of measuring a person’s individual aerobic capacity.