Page 41 - A Practical Guide to Equine Radiography

22 A PRACTICAL GUIDE TO EQUINE RADIOGRAPHY

Dorsopalmar (DPa) (Figs 4.9–4.12) 6. Place a R/L marker on the lateral side of the
VetBooks.ir 1. Remove shoes unless hoof balance assess- 7. Position the X-ray machine on the dorsal
plate.
ment is required.
2. Remove dirt and any loose horn from the side of the foot.
sole. 8. Focus–film distance: 100 cm.
3. Position both feet on flat blocks with the 9. Use a horizontal X-ray beam.
heels at the caudal edge of the block. 10. Centre the X-ray beam at the level of the
4. Stand the horse square with the cannon distal interphalangeal joint, approximately
bone vertical to the ground in each direc- 1 cm below the coronary band, in the mid-
tion, and ensure all limbs are equally line of the hoof.
weight-bearing. 11. Collimate around the foot, including half
5. Place the plate resting on the ground in por- of the proximal phalanx.
trait orientation on the palmar side of the 12. Exposure guide: 65 kVp, 8 mAs.
foot, as close as possible to the limb, and
lower than the solar surface.

Figure 4.9 Positioning to obtain a DPa view of the foot.

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