Mindray DC-8 EXP

Cardiology 6-29
 Study Items and Results
Tools Descriptions Operations
RA Vol(A4C)
Right Atrium Volume at
apical 4-chamber view
Same as Simpson SP measurement
RA Vol Index
(A4C)
Right Atrium Volume Index RA Vol Index= RA Vol/ BSA
 Operating Procedures
See “Simpson SP” for measurement procedures.
6.4.3.7 LV TEI (LVIMP)
LVIMP (Left Ventricular Index of Myocardial Performance) is used to analyze the integrative
ventricular diastolic and systolic capabilities.
 Study Items
Tools Descriptions Operations
MV C-O dur Mitral Valve close-open Duration
Time in M/Doppler General Measurements
LVET Left Ventricular Ejection Time
 Study Results
Except for values in upper table, the following results can be obtained in this study:
Tools Descriptions Formulae
LVIMP
Left Ventricular Index of
Myocardial Performance
LVET(s)
LVET(s)-dur(s) O-C MV
it)LVIMP(Noun =
 Operating Procedures
See table above for methods and formulae of the measurement items.
6.4.3.8 RVSP
RVSP measures the right ventricular systolic pressure.
 Study Items
Tools Descriptions Operations
TR Vmax
Tricuspid Valve Regurgitation
Maximum Velocity
D Vel in Doppler General Measurements
RAP Right Atrium Pressure See below
 Study Results
Except for values in upper table, the following results can be obtained in this study:
Tools Descriptions Formulae
TR PGmax
Tricuspid Valve
Regurgitation Pressure
Gradient
TR PGmax (mmHg) = 4 × TR Vmax (m/s)
2
RVSP
Right Ventricular Systolic
Pressure
2
))/max( (4)(RVSP(mmHg) smVTRmmHgRAP ×+=