Ultrasound scanning guidelines
Pyloric Stenosis
Assess:
- Stomach contents
- Pyloric muscle length, muscle thickness, diameter
- Response of pylorus to peristaltic waves
- Stomach emptying
- Under Ultrasound control warm glucose water is slowly introduced. Sufficient water (20-40cc) is used to act as an acoustic windows to visualise the pyloric canal and observe response to peristaltic waves
Documentation:
- Pylorus measurements are obtained:
- Length of pyloric canal
- Transverse diameter of pylorus
- Transverse muscle thickness
- Observation and clipstore of peristaltic waves passing or attempting to pass the pylorus
- If no abnormality detected in pylorus check SMA / HA orientation for malrotation/Kidneys for hydronephrosis
Once examination is complete, excess water can be aspirated |
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