Equations Flashcards
1
Q
Fractional Shortening
A
(LVIDd - LVIDs) / LVIDd x100
2
Q
Ejection Fraction
A
(EDV - ESV) / EDV x100
3
Q
∆ P
A
4 (V2^2 – V1^2)
4
Q
∆ P
A
4 (V2^2)
5
Q
AVA (VTI)
A
.785 x LVOTd^2 x VTI LVOT/ VTI AV
6
Q
AVA (VELOCITY)
A
.785 x LVOTd^2 x V1/V2
7
Q
PHT
A
DT X .29
8
Q
AVI
A
AVA/BSA
9
Q
RV (SV)
A
SVtotal - SVforward
10
Q
RF
A
RV/SVtotal X 100
11
Q
EROA
A
RV / VTIrj
12
Q
RV
A
EROA X VTIrj
13
Q
JETd
A
JETd/LVOTd X 100
14
Q
JETarea (regurgitant)
A
JETarea/LVOTarea X 100
15
Q
MVA
A
SVlvot / VTImv
16
Q
MVA
A
6.28 x r^2 x preorifice v / orifice v
