CVS Equations Flashcards
1
Q
Cardiac output
A
CO = Heart Rate x Stroke volume
2
Q
Blood flow
A
Blood flow = (Pa - Pv)/resistance
3
Q
passive diffusion
A
t ∝ d²
4
Q
Blood Velocity
A
Blood velocity = blood flow (cm³/s) / cross-sectional area (cm²)
5
Q
Fluid flux
A
Jv = Lp x A {(Pc/Pi) - σ(πp-πi)}
6
Q
Effective Osmotic Pressure
A
σ x potential osmotic pressure
7
Q
Net Filtration
A
P = (Pc - Pi) - σ (πp - πi)
8
Q
Cardiac output (pressure gradient)
A
Pressure gradient x conductance
9
Q
Darcy’s law
A
Flow = change in pressure / Resistance
10
Q
Bernoulli’s law
A
Flow = PV + 1/2ϱv^2 + ϱgh
11
Q
Conductance
A
1/TPR
12
Q
Blood flow (gradient)
A
Blood flow = pressure gradient/TPR
13
Q
Blood pressure
A
CO x TPR
14
Q
Blood flow
A
Arterial BP / TPR
15
Q
Compliance
A
change in volume / change in pressure
16
Q
Conductance
A
πr^4/8nL
17
Q
Resistance
A
8nL/πr^4
