Cardiac Function
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What is the equation for CO?
CO=HR x SV
with activity what happens to HR SV CO SBP DBP
HR increases SV increases CO increases SBP increases DBP stays the same
MAP equation
MAP= DBP + 1/3 (SBP-DBP)
how does HR change with training
with training HR decreases
Can an anginal threshold change?
very unlikely to change
What can you do to improve or change in a case of a pathology affecting the heart?
lower HR and BP allow someone to be more conditioned with training heart rate decreases at any given workload
5% of adults over 65 have a-fib what are some things to think about with this patient
worried about throwing a clot- make sure they are on anti-coag
What is uncontrolled Afib and controlled afib
uncontrolled >100 bpm controlled up to 100 bpm
what are some ways we can assess whether the heart is doing its job?
Signs HR BP double product (HRx SPB) EKG rate/rhythm and ST level- specific to cardiac problems
what is the target on the borg scale in pulmonary rehab
4-6