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Cardio: Hemodynamics
Step 1 Review
10
Biology
Graduate
12/29/2007

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Term
fluid pressure is defined as
Definition
H x density of the fluid
Term
At high velocity fluid becomes _____
Definition
turbulent
Term
Flow =
Definition
V x A
Term
In fluid dynamics energy is (V22 - V12)/2q or
Definition
(P1 - P2)/density
Term
A doppler ultrasound is DP =
Definition
kV2
Term
Poiseuille equation is
Definition
Flow = k DP R4
Term
Vascular resistance is Res = DP/f which is = to?
Definition
(8lm/pi R4) where m is viscosity
Term
According to Poiseuille equation if you increase the radius by 2x, what's the change in resistance?
Definition
decreases by 16
Term
CO is flow =
Definition
V/t
Term
What's the fick equation for measuring CO
Definition
CO = (O2 consumed) / (AO2 - VO2)
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