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
Chapter 4: Measurements and Calculations 55
Measurements
4 Usingthetouchpad,tracethewaveform.
Tomakeacorrection,selectUndoon‐screen,
backtrackwiththetouchpad,orpress the
BACKSPACEkey.
5 Pressthe
SETkeytocompletethetrace.
6 Savethecalculation.(See“Tosavea
calculation”onpage 45.)
Forinformationontheautomatictracetool,see
“Totraceautomatically(Doppler)”onpage 44.
To calculate Right Ventricular Systolic
Pressure (RVSP)
1 OnafrozenDopplerspectraltrace,pressthe
CALCSkey.
2 Fromthecalculationsmenu,selectTVand
thenselectTRmax.
3 Positionthecaliper.(See“Workingwith
calipers”onpage 41.)
4 Savethecalculation.(See“Tosavea
calculation”onpage 45.)
5 ToadjusttheRApressure,see“Todeletea
vascularorcardiacmeasurement” onpage 69.
ChangingtheRApressurefrom
thedefault5
affectstheRVSPcalculationinthepatient
report.
To calculate Pressure Half Time (PHT) in MV,
AI, or TV
1 OnafrozenDopplerspectraltrace,pressthe
CALCSkey.
2 Fromthecalculationsmenu,selectMV, AV,or
TV,andthenselectPHT.
3 Positionthefirstcaliper atthepeak,and press
the
SELECTkey.
Asecondcaliperappears.
4 Positionthesecondcaliper:
•InMV,positionthecaliperalongtheEF
slope.
•InAV,positionthecaliperattheend
diastole.
5 Savethecalculation.(See“Tosavea
calculation”onpage 45.)
To calculate Proximal Isovelocity Surface
Area (PISA)
ThePISAcalculationrequiresameasurementin
2D,ameasurementinColor,andtwo
measurementsinDopplerspectraltrace.Afterall
measurementsaresaved,theresultappearsin
thepatientreport.
1 MeasurefromAnnD(2D):
a Onafrozen2Dimage,pressthe
CALCSkey.
b Fromthecalculationsmenu,locatePISA,
andthenselectAnn D.
c Positionthecalipers.(See“Workingwith
calipers”onpage 41.)
d Savethecalculation.(See“Tosavea
calculation”onpage 45.)
2 MeasurefromRadius(Color):
a OnafrozenColorimage,pressthe
CALCS
key.
b Fromthecalculationsmenu,selectRadius.
c Positionthecalipers.
d Savethecalculation.
3 OnafrozenDopplerspectraltrace,pressthe
CALCSkey.
4 DothefollowingtomeasurefromMRVTI
andagaintomeasurefromMVVTI(Doppler):
a Fromthecalculationsmenu,selectPISA
andthenselectMR VTI orMV VTI.
b Positionthecaliperatthe startofthe
waveform,andpressthe
SELECTkeyto
startthetrace.
c Usingthetouchpad,tracethewaveform.