Samsung SONOACE R5 Manual do Utilizador Página 107
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Chapter 4 Diagnosis Modes
PW Spectral Doppler Mode Screen
On the Spectral Doppler Mode image, the horizontal axis represents time, and the vertical axis
represents speed (or frequency).
■
Sample Volume
When Sample Volume is positioned over the blood ow in a 2D image, the Doppler Spectrum is
displayed. Information on the size and depth of Sample Volume is displayed in [mm] units. The
position is displayed in the ‘xx.x@yy.y mm’ format. This means that a Sample Volume of size ‘xx.x mm’
is located ‘yy.y mm’ deep. For example, ‘[email protected]’ means that a Sample Volume of size 2.0 mm
is located 16.7 mm deep.
Use the Change button to adjust the position and the size of the Sample Volume. Each time you
press the Change button, the current status of the Sample Volume will be displayed on the lower
left side of the screen.
X
SV Pos.: You can change the position of the Sample Volume. Use the trackball to move the
Sample Volume position.
X
SV Size: You can change the size of the Sample Volume. Use the trackball to resize the Sample
Volume and press the Set button.
■
HPRF
This function measures blood ow for which the speed exceeds the specied limit at a specied
depth. It expands the scale into double the size of the original scale. This function is available only
in PW Spectral Doppler Mode (PW Only). HPRF stands for High Pulse Repetition Frequency.
NOTE: To use HPRF function, select ‘On’ in the Seup > System > Display tab.
X
Running HPRF
If you keep increasing the scale value at a certain depth, HPRF will be activated. The Phantom
Gate will appear on the D Line at a position above the Sample Volume. Once HPRF starts, PRF
does not increase even if you increase the scale value.
X
Exiting HPRF
While HPRF is in use, decrease the scale value by one step to exit HPRF. The PRF value at this
point will be the maximum value in PW Spectral Doppler Mode.
- 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
- Table of Contents 15
- Chapter 1 17
- Indication for Use 19
- Safety Signs 20
- Chapter 1 Safety 21
- Electrical Safety 24
- Mechanical Safety 33
- Safety Note 34
- Biological Safety 35
- Applying ALARA 36
- Direct Controls 36
- Indirect Controls 37
- Receiver Controls 37
- Additional Considerations 38
- Output Display Features 38
- Mechanical Index (MI) Display 39
- Thermal Index (TI) Display 39
- 2D-mode Controls 41
- Color and Power Controls 42
- M-mode and Doppler Controls 42
- Sample Volume Depth 43
- Application 43
- Related Guidance Documents 44
- - (0.23 alf) 45
- -(0.069 lf) 45
- Systematic Uncertainties 47
- Environmental Protection 49
- Introduction 51
- Specications 53
- Product Conguration 55
- Adjusting Brightness 56
- Control Panel 57
- Chapter 2 Introduction 59
- Keyboards 60
- Adjusting Control Panel 61
- Rear Panel 63
- Power Connection Part 64
- Peripheral Devices 65
- N N 66
- Connecting probes 67
- Accessory 68
- Starting Diagnosis 69
- Power Supply 71
- Probes & Applications 72
- Probe Setting Change 73
- Editing BodyMarker 74
- Add BodyMarkers 75
- Delete BodyMarkers 75
- Back to default BodyMarker 75
- Delete all BodyMarkers 75
- Save BodyMarkers 75
- Calc Sequence 76
- Patient Information 77
- Registering a New Patient 78
- [Figure 3.5 Search] 81
- Modifying Patient Information 83
- Diagnosis Modes 85
- Information 87
- Basic Use 88
- Frequency 89
- Harmonic 90
- Basic Modes 91
- Starting 2D Mode 92
- 2D Mode Menu 92
- Trapezoid 94
- 2D Mode Softmenu 96
- Entering and Exiting M Mode 97
- M Mode Screen 98
- M Mode Menu 98
- M Mode Softmenu 99
- Color Doppler Mode 100
- C Mode Screen 101
- C Mode Menu 101
- Operation Manual 102
- C Mode Softmenu 103
- Power Doppler Mode 104
- PD Mode Softmenu 105
- PD Mode Menu 105
- PW Spectral Doppler Mode 106
- Sample Volume 107
- Chapter 4 Diagnosis Modes 109
- Baseline 110
- Combined Modes 111
- Changing Menu 112
- Dual Mode 113
- 3D Mode 114
- Acquiring a 3D Image 115
- Viewing a 3D Image 116
- 3D Image Optimization 117
- Position 118
- Magnication 119
- Cut Mode 119
- Multi planar 120
- Reference Plane 120
- Measurements And 123
- Calculations 123
- Measurement Accuracy 125
- Ultrasound Velocity 126
- Doppler Signal Adjustment 126
- Aliasing 126
- Calculation Equation 126
- Human Error 126
- 2D Mode 127
- Doppler Mode 127
- Measurement Accuracy Table 128
- PW Spectral Doppler Mode 129
- Basic Measurements 130
- Distance Measurement 131
- 2D Distance (Trace) 132
- 2D Hip Joint 133
- M Distance 134
- Doppler Velocity 134
- Doppler Velocity (A/B) 135
- Doppler Trace 135
- 2D Ellipse 136
- Area = , (a, b: Axis) 137
- 22D Trace 137
- Volume Measurement 138
- Distance + Ellipse 139
- Things to note 140
- Softmenu 141
- Common Measurement Methods 142
- Limited Trace 143
- Manual Trace 143
- Volume Flow Measurement 144
- Stenosis Measurement 145
- OB Calculations 146
- Measurement Menu 147
- Automatic Calculation 150
- AFI (Amniotic Fluid Index) 150
- GYN Calculations 151
- Cardiac Calculations 153
- Vascular Calculations 158
- Urology Calculations 161
- 3 Distance 162
- 3 Distance * Factor 163
- Ellipsoid 163
- Sum of 20 Disks 165
- Fetal Echo Calculations 166
- Report 169
- Viewing Report 170
- Editing Report 170
- Comment 170
- Printing out Report 170
- Exporting Report 170
- Graph Function 171
- Viewing Graph 172
- Viewing History 172
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