Page 91 - A Practical Guide to Equine Radiography

72 A PRACTICAL GUIDE TO EQUINE RADIOGRAPHY

Dorsopalmar (DPa) (Figs 8.5–8.8) 4. Position the X-ray machine on the dorsal
VetBooks.ir 1. Stand the horse square with the cannon 5. Focus–film distance: 100 cm.
side of the limb.
bone vertical to the ground in each direc-
tion and ensure that all limbs are equally 6. Use a horizontal X-ray beam perpendicu-
weight-bearing. larly aligned to the leg and plate.
2. Place the plate in portrait orientation on the 7. Centre the X-ray beam to the level of the
palmar side of the joint as close as possible mid carpal joint.
to the limb. 8. Collimate around the carpus, including the
3. Place a R/L marker on the lateral side of the proximal metacarpus.
plate. 9. Exposure guide: 70 kVp, 10 mAs.

Figure 8.5 Positioning to obtain a DPa view of the carpus.

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