| Term 
 
        | Prone Center MSP to grid
 Center IR to level of iliac crest
 Table, slight trendelenberg position
 |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Perpendicular to the IR, enter midline of the body, level of the iliac crest |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Directed 30-40 degrees caudal, enter midline at the level of the ASIS |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | breathing instructions for all lower GI |  | Definition 
 
        | don't breathe, don't move |  | 
        |  | 
        
        | Term 
 
        | Roll patient onto right hip to obtain __ degree oblique for PA Oblique (RAO) |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Perpendicular to the IR, enter 1”-2” lateral to midline on the elevated side, level of the iliac crest |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | PA Oblique RAO demonstrates the ___ |  | Definition 
 
        | right colic (hepatic) flexure |  | 
        |  | 
        
        | Term 
 
        | Roll patient onto left hip to obtain ___ degree oblique for PA Oblique LAO |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Perpendicular to the IR, enter 1”-2” lateral to midline on the elevated side, level of the iliac crest |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | PA Oblique LAO demonstrates the ___ |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | IR size for Lateral Projections |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Lateral Recumbent Center Midcoronal plane to grid
 Center IR to ASIS
 Adjust shoulders/hips perpendicular
 |  | Definition 
 
        | part position for Lateral Projections |  | 
        |  | 
        
        | Term 
 
        | Perpendicular to the IR, enter midcoronal plane at level of ASIS |  | Definition 
 
        | CR for lateral projections |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Perpendicular to the IR, enter midline of the body, level of the iliac crest |  | 
        |  | 
        
        | Term 
 
        | part position for AP Axial |  | Definition 
 
        | Supine Center MSP to grid
 Center IR 2” above level of the iliac crest
 Shield appropriately
 |  | 
        |  | 
        
        | Term 
 
        | part position for AP Axial |  | Definition 
 
        | Supine Center MSP to grid
 Center IR 2” above level of the iliac crest
 Shield appropriately
 |  | 
        |  | 
        
        | Term 
 
        | Directed 30-40 degrees cephalic midline of body, 2” below ASIS |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Supine Left arm at side, right arm across chest
 Center IR level of iliac crest
 Roll onto left hip to obtain 35-45 degree oblique
 |  | Definition 
 
        | part position for AP Oblique (LPO) |  | 
        |  | 
        
        | Term 
 
        | Perpendicular to the IR, enter 1”-2” lateral to midline on elevated side, level of the iliac crest |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | AP Oblique (LPO) demonstrates the __ |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | part position for AP Oblique (RPO) |  | Definition 
 
        | Supine Right arm at side, left arm across chest
 Roll onto right hip to obtain 35-45 degree oblique
 Flex left knee for stability
 Center IR level of iliac crest
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Perpendicular to the IR, enter 1”-2” lateral to midline on elevated side, level of the iliac crest |  | 
        |  | 
        
        | Term 
 
        | AP Oblique (RPO) demonstrates the __ |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | AP or PA Place patient on right side with back or abdomen against grid device
 Patient laying on elevated radiolucent support
 Center MSP to grid
 Center IR to level of iliac crest
 |  | Definition 
 
        | patient position for Right Lateral Decubitus |  | 
        |  | 
        
        | Term 
 
        | CR for Right Lateral Decubitus |  | Definition 
 
        | Horizontal and perpendicular to IR, enter midline at level of iliac crest |  | 
        |  | 
        
        | Term 
 
        | AP or PA Place patient on left side with back or abdomen against grid device
 Patient laying on elevated radiolucent support
 Center MSP to grid
 Center IR to level of iliac crest
 |  | Definition 
 
        | patient position for Left Lateral Decubitus |  | 
        |  | 
        
        | Term 
 
        | Horizontal and perpendicular to IR, enter midline at level of iliac crest |  | Definition 
 
        | CR for Left Lat Decubitus |  | 
        |  | 
        
        | Term 
 
        | Right or Left Place patient in prone position with right or left side against grid device
 Patient laying on elevated radiolucent support
 Center midcoronal plane to grid
 Center IR to level of iliac crest
 |  | Definition 
 
        | patient position for Lateral Ventral Decubitus |  | 
        |  | 
        
        | Term 
 
        | Horizontal and perpendicular to IR, enter midcoronal plane at level of iliac crest |  | Definition 
 
        | CR for lateral ventral decubitus |  | 
        |  | 
        
        | Term 
 
        | in a lateral decubitus, the ___ is removed for an unobstructed image of the rectum |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | IR is placed at a lower level to compensate for the drop of the bowel because of the effect of gravity |  | Definition 
 
        | AP, PA, Oblique and Lateral Projections Upright Position |  | 
        |  | 
        
        | Term 
 
        | the most common site of disease in large intestine |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Evacuation proctography/dynamic rectal exam Performed on patients with defecational dysfunction
 |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | the most common projections for a single contrast barium enema: |  | Definition 
 
        | PA/ AP PA obliques (RAO, LAO)
 PA/AP Axial for sigmoid
 R/L Lat for rectum
 |  | 
        |  |