1. scanning technique

  • Abdominal settings
  • Transducer:
    • Large pediatric or adults: curved array low-frequency (2-5 mHz)
    • Small children: linear high-frequency (5-12 mHz)
  • Scan the epigastrium in a sagittal plane
  • Sweep the transducer from the left to the right subcostal margins
  • Identify the gastric antrum – see applied anatomy
  • Patient position:
    • Start in the supine position
    • Follow with the right lateral decubitus (RLD). Never call an empty stomach based on the supine position alone

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