User's Manual
Table Of Contents
- M-Turbo Ultrasound System User Guide
- Contents
- Introduction
- Chapter 1: Getting Started
- Chapter 2: System Setup
- Displaying the setup pages
- Restoring default settings
- A & B Key, Footswitch setup
- Administration setup
- Annotations setup
- Audio, Battery setup
- Cardiac Calculations setup
- Connectivity setup
- Date and Time setup
- Display Information setup
- IMT Calculations setup
- Network Status setup
- OB Calculations setup
- OB Custom Measurements setup
- OB Custom Tables setup
- Presets setup
- System Information setup
- USB Devices setup
- Chapter 3: Imaging
- Chapter 4: Measurements and Calculations
- Chapter 5: Troubleshooting and Maintenance
- Chapter 6: Safety
- Ergonomic safety
- Electrical safety classification
- Electrical safety
- Equipment safety
- Battery safety
- Clinical safety
- Hazardous materials
- Electromagnetic compatibility
- ALARA principle
- Acoustic artifacts
- Guidelines for reducing MI and TI
- Output display
- Transducer surface temperature rise
- Acoustic output measurement
- Acoustic output tables
- Labeling symbols
- Chapter 7: References
- Chapter 8: Specifications
- Glossary
- Index
44 Measurements
To measure Velocities, Elapsed Time, +/x
Ratio, Resistive Index (RI), and Acceleration
(Doppler)
1 OnafrozenDopplerspectraltrace,pressthe
CALIPERkey.
Asinglecaliperappears.
2 Usingthetouchpad,positionthecalipertoa
peaksystolicwaveform.
3 Pressthe
SELECTkey.
Asecondcaliperappears.
4 Usingthetouchpad,positionthesecond
caliperattheenddiastoleonthewaveform.
See“Tosaveameasurementtoacalculationand
patientreport”onpage 41.
To measure time duration (Doppler)
1 OnaDopplerspectraltrace,presstheCALIPER
key.
2 PressTimeon‐screen.
3 Averticalcaliperappears.
4 Usingthetouchpad,positionthecaliper
wheredesired,andpressthe
SELECTkey.
5 Asecondcaliperappears.
6 Usingthetouchpad,positionthesecond
caliperwheredesired,andpressthe
SELECT
key.
To trace manually (Doppler)
1 OnafrozenDopplerspectraltrace,pressthe
CALIPERkey.
2 SelectManualon‐screen.
Asinglecaliperappears.
3 Usingthetouchpad,positionthecaliperatthe
beginningofthedesiredwaveform,andpress
the
SELECTkey.
Ifcalipersarenotpositionedcorrectly,the
resultisinaccurate.
4 Usingthetouchpad,tracethewaveform.
Tomakeacorrection,selectUndoon‐screen,
backtrackwiththetouchpad,orpressthe
BACKSPACEkey.
5 Pressthe
SETkey.
Themeasurementresultsappear.
See“Tosaveameasurementtoacalculationand
patientreport”onpage 41.
To trace automatically (Doppler)
Aftertracingautomatically,confirmthatthe
system‐generatedboundaryiscorrect.Ifyouare
notsatisfiedwiththetrace,obtainahigh‐quality
Dopplerspectraltraceimage,ortracemanually.
(See“Totracemanually(Doppler)”onpage 44.)
1 OnafrozenDopplerspectraltrace,pressthe
CALIPERkey.
2 SelectAutoon‐screen.
Averticalcaliperappears.
3 Usingthetouchpad,positionthecaliperatthe
beginningofthewaveform.
Ifcalipersarenotpositionedcorrectly,the
calculationresultisinaccurate.
4 Pressthe
SELECTkey.
Asecondverticalcaliperappears.
5 Usingthetouchpad,positionthesecond
caliperattheendofthewaveform.
6 Pressthe
SETkey.
Themeasurementresultsappear.
See“Tosaveameasurementtoacalculationand
patientreport”onpage 41.
Automatic trace results
Dependingontheexamtype,theresultsfrom
automatictracingincludethefollowing:
•VelocityTimeIntegral(VTI)
•PeakVelocity(Vmax)