Esophagus
AP or PA IR Size: 14x17 LW SID: 40"" Page #'s: 2:120,230	Positioning:   • Pt supine/prone	CR Entrance & Angle:   • _|_ to center of IR   • Collimation:   •	Eval Criteria:   • Entire esophagus over spine   • Esophagus filled with barium   • Esophagus from lower part of neck to esophagogastric junction
PA oblique RAO (LPO) IR Size: 14x17 LW SID: 40"" Page #'s: 2:120,232	Positioning:   • Pt supine/prone   • MSP rotated 35°-40° (RAO preferred) (Shows unobstructed view b/w vertebrae & heart)   • Shoulders in same plane	CR Entrance & Angle:   • _|_ to elevated side ~2"" lateral of MSP   • Collimation:   • Best to Determine:   • Best view of esophagus	Eval Criteria:   • Esophagus b/w heart shadow & spine   • Esophagus filled with barium   • Esophagus from lower part of neck to esophagogastric junction
Lateral R/L IR Size: 14x17 LW SID: 40"" Page #'s: 2:120,234	Positioning:   • Pt faces radiographer   • Arms forward	CR Entrance & Angle:   •   • Collimation:   •	Eval Criteria:   • NR by Ribs posterior to spine SI   • Esophagus filled with barium   • Esophagus from lower part of neck to esophagogastric junction