Midterm Flashcards
(123 cards)
Do you need to gain medical clearance to exercise a patient that does not regularly exercise and does not have any signs and symptoms of CVD?
-No
What type of exercise can you perform with someone who does not regularly exercise and does not have any signs or symptoms of CVD?
-light to moderate
Do you need to gain medical clearance to exercise a patient who does not regularly exercise, has a CVD?
-It is recommended (even if they are asymptomatic)
Excercise testing can be used to test for what type of diseases?
-Ischemia, CAD
What is exercise testing not a good predictor of?
-acute events
How much does HR increase with exercise?
-10 beats per met
How much does systolic BP increase with exercise?
-10 mmHg per met
How much does diastolic BP increase with exercise?
-it doesnt
How should O2 sats change with exercise?
-it shouldnt
How does breathing change with exercise?
-tidal volume increases until it reaches 40-50% of vital capacity then RR increases
How much can cardiac output increase until maximum exericse?
-about 4 times
How much can HR increase from rest with maximum exercise?
-about 3 times
How much can SV increase with maximum exercise?
-about 1.5 times
CO stops increasing at about percent of maximum exercise?
-40%
VO2 can increase about how much at max exercise?
-3 times
What is the MET?
-The ratio of the rate of energy expended during an activity to the rate of energy expended at rest
what is 1 MET equal to?
-3.5; or 1 kcal
Where does the normal aerobic threshold occur?
-at 55% of VO2 max
How does anaerobic training improve the lactate thresh hold?
-improving muscle alkaline reserves
What type of PVCs are contraindications to exercise testing?
-multifocal or more than 10 in a minute
What type of angina is a contraindication for exercise testing?
-unstable
What type of heart failure is a contraindication for exercise testing?
-decompensated
New onset Afib with what is a contraindication for exercise testing?
-RVR >100
What degree heart block is a contraindication for exercise testing?
-2nd degree with PVCs, or 3rd degree