Mindray DC-8 EXP User Manual

6-34 Cardiology
Tools Descriptions Formulae
AR EROA
Aortic Valve
Effective
Regurgitant Orifice
Area
Vmax(cm/s) AR
/s)Als.Vel(cm ARRad(cm) AR2
EROA(cm) AR
2
2
×
=
π
 Operating Procedures
Same with the PISA MR measurement.
PISA TR
Tricuspid valve regurgitation (PISA TR) needs to be measured in Color and Doppler mode.
 Study Items
Tools Descriptions Operations
TR Rad
Tricuspid Valve Stenosis
Radius
PISA measurement
TR VTI
Tricuspid Valve Regurgitation
Velocity-Time Integral
D Trace in Doppler General Measurements
TR Als.Vel
Tricuspid Valve Regurgitation
Aliasing Maximum Velocity
You can select to use top aliasing velocity or
bottom aliasing velocity or input the value
directly.
 Study Results
Tools Descriptions Formulae
TR Vmax
Tricuspid
Regurgitation
Maximum Velocity
Obtained from TR VTI measurement
TR Flow
Tricuspid
Regurgitation Flow
VTI(cm) TR
max(cm/s) TRV
/s)Als.Vel(cm TRRad(cm) TR2
Flow(ml) TR
2
×
×
=
π
TR Flow
Rate
Tricuspid
Regurgitation Flow
Rate
/s)Als.Vel(cm TRRad(cm) TR2Rate(ml/s) Flow TR
2
×= π
TR Fraction
Tricuspid Valve
Regurgitation
Fraction
%100
SV(ml)TV
Flow(ml) TR
(Nounit) Fraction TR ×=
TR EROA
Tricuspid Valve
Effective
Regurgitant Orifice
Area
Vmax(cm/s) TR
/s)Als.Vel(cm TRRad(cm) TR2
EROA(cm) TR
2
2
×
=
π
 Operating Procedures
Same with the PISA MR measurement.
PISA PR
Pulmonary valve regurgitation (PISA PR) needs to be measured in Color and Doppler mode.

Mindray DC-8 EXP Specifications

General

Brand	Mindray
Model	DC-8 EXP
Category	Medical Equipment
Language	English