Abdomen PA Erect View / Standing X-Ray, Preparation, Procedure, and the Requirements

27 Oct 2022

Abdomen PA Erect View / Standing X-Ray, Preparation, Procedure, and the Requirements

A significant majority of the plain-film examinations performed on the abdomen are comprised of radiographs of the abdominal region that were obtained. At the same time, the patient's body was in an erect/standing position. 


This view is useful in assessing the following:

* Pneumoperitoneum

* Bowel obstruction

* Bowel fluid level

* Ascites

* Perforation

* Intra-abdominal masses

* Abdominal pathology

* Distended abdomen

* Abdominal pain with vomiting

* Review of Post op. cases

* Abdominal trauma

Patient preparation

* No preparation is needed. You should wear loose-fitting clothing.

* Notify the technician before the examination in the case of a pregnancy.

Patient positioning

* Standing position  with ventral abdomen toward the image detector

* No rotation of shoulders or pelvis

* Should include the entire transverse width of the patient (if possible; if not, two radio-graphs may be obtained)

* Hands can be placed around the detector or on top for stand stability.

* The technologist will take the x-ray with full inspiration

* This lets the diaphragm contract, hence compressing the abdominal organs and allowing all abdominal contents to be visualized in a single image

* Patient have to stand like this, the patient’s radiograph include both domes  of the diaphragm to the iliac crest.

Technical factors

* Postero-anterior projection

* Suspended inspiration (departmentally dependent)

Centering point

* 5 cm above the iliac crest at the mid-sagittal plane


* Superiorly to include the Hemi-diaphragms

* To include as much of the abdomen as possible 

* Lateral to the skin margins


* Portrait

Detector size

* 35 cm x 43 cm or 43 cm x 35 cm


* 70-80 kVp

* 30-50 mAs


* 100 cm


* Yes

Image technical evaluation

* Lateral abdominal wall should be included

* Inferior pubic rami should be included inferiorly

* The diaphragm must be included superiorly

* The abdomen should be free from rotation with symmetry of the:

* Ribs (superior)

* Iliac crests (middle)

* Obturator foremen(inferior)

* No blurring of the bowel gas due to respiratory motion


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To schedule an appointment, call us 24*7.