Ex Phys Equations Flashcards
1
Q
Frank starling
A
longer fill–>more stretch= greater Q
2
Q
Q=
A
Q= HR X SV
3
Q
SV=
A
SV= EDV-ESV
4
Q
EF=
A
EF= SV/EDV
5
Q
what is normal EF?
A
60%
6
Q
what is impaired EF?
A
15%
7
Q
VO2 Max
A
VO2 max= Q x (A-VO2 diff)
8
Q
MAP
A
MAP= Q x TPR
OR
2/3 diastolic + 1/3 systolic
9
Q
Karvonen formula
A
[training % ((220-age)-RHR)] + RHR
10
Q
Darcy’s law?
A
Qflow= (p1-P2)/R
11
Q
Dalton’s law of partial pressures
A
each gas contributes to total pressure of gas
total atmospheric pressure = 760
12
Q
poisquile’s law
A
∆PΠr4/8nL
13
Q
Fick’s law
A
amount of diffusion is proportional to area and inversely proportional to thickness of a tissue
14
Q
Ventilation (VE)
A
VE= TVxf
15
Q
Ventilatory equivalent for O2
A
VE/VO2 (measure of breathing economy) how much of the inspired air gets used