UGI

• AP scout

  supine, expiration

  CR: perpendicular to the IR entering MSP at the level 2" superior to the iliac crest
• PA/AP

  supine or prone, expiration

  CR: perpendicular to the IR entering 1" to the left of MSP at the level of L1
• PA oblique

  40-70 degree RAO, expiration

  CR: perpendicular to the IR entering midway between the vertebral column and left lateral border at the level of L1
• AP oblique

  30-60 degree LPO expiration

  CR: perpendicular to the IR entering midway between the MSP and left lateral border at the level of L1
• lateral

  right recumbent position, expiration

  CR: perpendicular to the IR entering 1-1.5" anterior to MCP at the level of L1
• indications

  NVD

  abd pain

  reflux

  hiatal hernia (protrusion of stomach through esophageal opening in diaphragm)

  gastric carcinoma

  ulcer (open sore on external or intestinal surface)

  bezoar (mass of foreign material)

  diverticulum (outpouching)

  hypertrophic pyloric stenosis (gastric outlet obstruction, pylorus is narrowed because of tissue thickening)

  malrotation (not pinned by ligament of Treitz)

  volvula
• how long does it take for stomach to completely empty

  2-3 hours