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5-15
Chapter 5 Measurements and Calculations
D Trace
This is a basic measurement that is available in Spectral Doppler Mode only. You can specify a point in
a Spectral Doppler image and trace a curve from that point to calculate the velocity, integral value and
average velocity of blood ow.
1.
Select t
he Soft Menu dial-bu
tton
[1] D Trace. “D Trac
e” is displayed in the user information area.
2.
Trace a curve. The method for measuring a curve is the same as in “2D Line Trace.”
3.
When the measurement is nished, its result is shown on the screen.
X
PSV: Peak Systolic Velocity
X
EDV: End Diastolic Velocity
X
PI: Pulsatility Index
X
RI: Resistivity Index
X
S/D: Ratio of PSV to EDV
X
Vmax: Max Velocity
X
Vmean: Mean Velocity
X
PGmax: Max Pressure Gradient
X
PGmean: Mean Pressure Gradient
X
VTI: Velocity Time Integral
X
PHT: Pressure Half Time
X
Acc: Acceleration
X
AccT: Acceleration Time
X
Dec: Deceleration
X
DecT: Deceleration Time
The equations used for D Trace measurement are as follows:
X
X
X
X
NOTE: If Application is set to Cardiac at Utility > Measure Setup > General > Caliper, the results
including Vmax, PGmax, PGmean, VTI, PHT, Acc, AccT, Dec and DecT will be shown on the screen.
- Volume 1 1
- Safety Requirements 8
- Declarations: 9
- Read This First 10
- If You Need Assistance 11
- Revision History 12
- Table of Contents – Volume 1 13
- Chapter3 Starting Diagnosis 14
- Chapter4 Diagnosis Modes 14
- ** Reference Manual 16
- Chapter1 17
- Indication for Use 19
- Safety Signs 20
- Chapter 1 Safety 21
- Electrical Safety 24
- ECG-Related Information 26
- Mechanical Safety 34
- Safety Note 35
- Biological Safety 36
- Applying ALARA 37
- Direct Controls 37
- Indirect Controls 38
- Additional Considerations 39
- Output Display Features 39
- Mechanical Index (MI) Display 40
- Thermal Index (TI) Display 40
- 2D-mode Controls 42
- Color and Power Controls 42
- Related Guidance Documents 44
- - (0,23 alf) 45
- - (0,069 lf) 46
- Systematic Uncertainties 47
- Training 48
- Environmental Protection 49
- Introduction 51
- Specications 53
- Chapter 2 Introduction 55
- Monitor 59
- Image Area 60
- Thumbnails Area 60
- User Information Area 60
- Soft Menu 60
- Control Panel 61
- Keyboard 64
- Adjusting Control Panel 65
- Rear Panel 66
- Power Connection Part 67
- Probe Holder 67
- N N 68
- Video Cassette Recorder (VCR) 69
- Video Page printer 69
- USB Video Printer 69
- USB to RS-232C Serial Cable 70
- USB Foot Switch 70
- POWER CORD 72
- Optional Functions 73
- Starting Diagnosis 75
- Power Supply 77
- Probes & Applications 78
- Changing Application 79
- Editing Probe Preset Values 79
- Patient Information 81
- Accession 82
- General 83
- Sonographer 84
- Description 84
- Indication 84
- LMP (Last Menstrual Period) 85
- GA (LMP) 85
- EDD (LMP) 85
- Estab. Due Date 85
- Gynecology 87
- Cardiac 87
- Urology 88
- Finding Patient Information 89
- Worklist Search 90
- Managing Patient Exams 91
- Viewing Exam 92
- Deleting Exam 92
- Sending Exams via DICOM 93
- Printing Exams via DICOM 94
- Exporting Exam 94
- [Figure 3.13 Image Export] 95
- Backing up Exam 96
- Changing Measurements 97
- The View Screen 98
- Diagnosis Modes 101
- Chapter 4 102
- Information 103
- Basic Use 104
- Using Soft Menu 105
- Basic Mode 106
- 2D Mode Soft Menu 107
- FSI / M Line 108
- Read Zoom / Write Zoom 108
- Chapter 4 Diagnosis Modes 109
- Gray Map / L/R Flip 110
- Focus / U/D Flip 110
- Sector Width 110
- Frame Avg 110
- 2D Image Size 111
- Edge Enhance 111
- Pulse Inversion 111
- Frame Rate 112
- DynamicMR (Optional) 112
- Panoramic 113
- Operation Manual 114
- M Mode Screen 116
- M Mode Soft Menu 116
- Color Doppler Mode 117
- C Mode Screen 118
- C Mode Soft Menu 118
- Power Doppler Mode 120
- PD Mode Screen 121
- PD Mode Soft Menu 121
- PW Spectral Doppler Mode 122
- Sample Volume 123
- HPRF (High PRF) Function 123
- SV Size / Angle 124
- Auto Calc 124
- AutoCalc Direction 125
- Simultaneous 125
- Mean Trace 126
- Baseline 126
- CW Spectral Doppler Mode 127
- TDI Mode 128
- TDW Mode 129
- ElastoScan Mode 130
- E Single Mode 131
- ROI Mode 132
- Performing a Scan 133
- Screen Layout 134
- E Mode Menu 135
- Cine/Measurement 136
- Cine Edit 136
- Cine Review 136
- Cine Save 136
- Combined Mode 137
- 2D/C/M Mode 138
- 2D/C Live Mode 138
- Multi-Image Mode 139
- Quad Mode 140
- 3D/4D Mode 141
- 3D/4D Mode Screen 142
- 3D StandBy Mode 143
- View Mode 144
- Load Preset 144
- Scan Quality / Auto ROI 144
- Acquiring 3D Images 145
- 3D View-MPR 147
- Trackball Mode 148
- Moving Images 148
- Saving and Printing 150
- MPR Mode Menu 151
- Display 151
- Fixed 3D 152
- Cine Type 156
- Render Setup 158
- § Gray Render Mode 158
- Render Mode 2 159
- TH. High 159
- 2D Palette 160
- 3D Palette 160
- MPR Mode Soft Menu 161
- 3D XI Mode (Optional) 163
- MSV Mode Menu 164
- Post Processing 165
- MSV Mode Soft Menu 166
- Oblique View 167
- Oblique View Mode Menu 169
- Oblique View Mode Soft Menu 170
- Volume CT Mode 171
- Cube Volume CT 172
- Cross Volume CT 173
- Measurements and 175
- Calculations 175
- Chapter 5 176
- Measurement Accuracy 177
- Doppler Signal Adjustment 178
- Aliasing 178
- Calculation Equation 178
- Human Error 178
- 2D Mode 179
- M Mode 179
- Doppler Mode 179
- Color/Power Doppler Mode 180
- Cursor Position 180
- Measurement Accuracy Table 181
- Basic Measurements 183
- Cancel Measurement Results 184
- Delete Measurement Result 184
- Print Measurement Result 184
- Finish Basic Measurements 184
- Distance Measurement 185
- Angle 186
- M Distance 186
- D Velocity 187
- D A/B 188
- D Trace 189
- Ellipse 190
- Trace 191
- Volume Measurement 192
- Distance + Ellipse 193
- Calculations by Application 195
- Measurement 196
- Font Size 198
- Common Measurement Methods 199
- Limited Trace 201
- Manual Trace 201
- Itemized Measurement 201
- Volume Flow Measurement 203
- Stenosis Measurement 203
- Heart Rate Measurement 204
- OB Calculation 205
- Measurement Menu 206
- Automatic Calculation 214
- AFI (Amniotic Fluid Index) 215
- How to measure 216
- Gynecology Calculation 218
- Cardiac Calculation 225
- Carotid Calculation 237
- Auto IMT Screen 244
- Measure Result Table 245
- Auto IMT Measurement 246
- Annotation 248
- Auto IMT+ 248
- Urology Calculation 249
- 3Distance 250
- 3 Distance * Factor 252
- Ellipsoid 252
- Sum of 20 Disks 253
- Fetal Echo Calculation 254
- LE Artery Calculation 259
- UE Artery Calculation 269
- LE Vein Calculation 274
- UE Vein Calculation 278
- Radiology Calculation 283
- TCD Calculation 291
- Thyroid Calculation 297
- Breast Calculation 299
- Testicle Calculation 301
- Supercial Calculation 303
- Pediatric Hips Calculation 305
- Musculoskeletal Calculation 307
- Viewing Report 309
- Video Out 310
- Editing Report 310
- Modify Measurements 311
- Measurement Display Method 311
- Fetal Description 311
- Adding Comment 312
- Printing Report 313
- Saving Report 313
- Transferring Report 314
- Stress Echo Report 314
- Graph Function 315
- History 317
- Closing Report 319
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