Revision D 170 Series Monitor 9-3
2003023-001
Troubleshooting: Ultrasound Troubleshooting
Ultrasound Troubleshooting
Table 9-2. Ultrasound Troubleshooting
Problem Probable Cause Possible Solution
Ultrasound not functioning properly.
Transducer not properly connected to
monitor.
Transducer placement.
Too little gel applied to transducer.
Defective transducer.
Active fetus or mother. Fetal arrhythmia or
hiccups. Extreme maternal obesity.
No signal.
Service required.
Ensure that transducer is firmly attached to
monitor.
Wait before moving transducer; FHR often
returns. Reposition transducer.
Apply more gel.
Replace transducer.
Use alternate technique.
Auscultate FHR.
Call for service.
Static noise on ultrasound.
Active fetus.
Environmental noise.
Maternal movement.
Defective transducer.
Reposition transducer.
Keep sheets and gown off transducer. Do
not hold transducer with hand.
Use alternate monitoring mode.
Replace transducer.
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