"70 - 80 kVp"
"30 - 120 mAs"
"it is essential that the elevated lateral abdominal wall is included on the image to detect any free intraperitoneal gas."
"there should be no blurring of the bowel gas due to respiratory motion."
"SID"
"The lateral decubitus x-ray may be more useful than the PA erect view for detecting intraperitoneal free gas 1."
Expected headings
"Indication"
"patient's hands should be raised to avoid superimposing on the region of interest; legs may be flexed for balance"
"laterally to the elevated lateral abdominal wall (e.g. right side for a left lateral decubitus x-ray)"