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X-RAY THE SACRUM AND/OR COCCYX

 

X-Ray Images the Sacrum and/or Coccyx


You have a formal request for a radiologic examination of the sacrum and/or coccyx. You have the assistance of additional personnel if required. You will need a properly equipped X-ray exposure room with various sizes of film in cassettes, sandbags, lead apron, letter markers, calipers, and various sponges.

1.  Select the required view(s) based on the request.

2.  Gather the necessary materials and supplies.

a.  Appropriate cassettes.

b.  Radiographic film.

c.  Sandbags.

d.  Letter markers.

e.  Tape.

f.  Positioning sponges.

g.  Lead shielding.

h.  Calipers.

3.  Prepare the patient.

a.  Bring the patient into the X-ray room.

b.  Ensure the patient is properly dressed.

(1)  Ensure foreign objects are removed from the patient as necessary.

(2)  Ensure the patient's clothing is removed as required.

NOTE: Gown the patient as necessary.

(3)  Use a drape sheet to cover the patient as needed.

c.  Explain the procedure as applicable.

d.  Assist the patient onto the X-ray table.

4.  Measure the body part through the entry-exit site of the central ray.

5.  Set the control panel.

a.  Consult the technique chart.

b.  Set the appropriate mAs and kVp on the control panel.

6.  Select the proper size film cassette.

NOTE: Use a 10" X 12" cassette for the sacrum views and an 8" X 10" cassette for the coccyx views.

7.  Place the cassette in the bucky lengthwise.

8.  Position the overhead tube.

a.  Set the tube angle perpendicular to the film except for the following views:

(1)  AP sacrum: Angle the tube 15 degrees cephalic.

(2)  AP coccyx: Angle the tube 10 degrees caudad.

b.  Set the source to image receptor distance (SID) to 40 inches (101 cm).

c.  Center the tube to the cassette.

d.  Restrict the cone field to--

(1)  8" X 8" for the sacrum views.

(2)  6" X 6" for the coccyx views.

9.  Position the sacrum and coccyx.

a.  AP sacrum.

(1)  Place the patient supine on the table.

(2)  Adjust the median plane perpendicular to and over the centerline of the table.

(3)  Place the legs in full extension.

(4)  Central ray directed to a point midway between the greater trochanter and ASIS.

b.  AP coccyx.

(1)  Place the patient supine on the table.

(2)  Adjust the median plane perpendicular to and over the centerline of the table.

(3)  Place the legs in full extension.

(4)  Central ray directed to a point 2" superior to the greater trochanter.

c.  Lateral sacrum.

(1)  Place the patient laterally recumbent with the knees flexed and arms at right angles to the body.

(2)  Adjust the coronal plane perpendicular to and over the centerline of the table.

(3)  Place radiolucent material under the lower dorsal region to bring the long axis of the spine parallel to the table.

(4)  Central ray directed to a point 2" anterior to the posterior sacral surface at the level of the ASIS.

d.  Lateral coccyx.

(1)  Place the patient laterally recumbent with the knees flexed and arms at right angles to the body.

(2)  Adjust the coronal plane perpendicular to and over the centerline of the table.

(3)  Place radiolucent material under the lower dorsal region to bring the long axis of the spine parallel to the table.

(4)  Central ray directed to a point 2" posterior to the coronal plane and 3" below the ASIS.

10.  Place the appropriate identification marker on the cassette.

11.  Place the lead apron across the patient's lap.

12.  Tell the patient, "STOP BREATHING AND DO NOT MOVE."

13.  Make the exposure.

14.  Tell the patient, "RELAX AND BREATHE NORMALLY."

15.  Process the film.

David L. Heiserman, Editor

Copyright   SweetHaven Publishing Services
All Rights Reserved

Revised: June 06, 2015