Page 55 - A Practical Guide to Equine Radiography
P. 55
36 A PRACTICAL GUIDE TO EQUINE RADIOGRAPHY
Dorsopalmar (DPa) (Figs 5.5–5.8) 4. Place a R/L marker on the lateral side of the
VetBooks.ir 1. Stand the horse square with the cannon 5. Position the X-ray machine on the dorsal
plate.
bone vertical to the ground in each direc-
tion, and ensure all limbs are equally side of the foot.
weight-bearing. 6. Focus–film distance: 100 cm.
2. Position both feet on flat blocks with the 7. Angle the X-ray beam 5–10 degrees down-
heels at the caudal edge of the block. ward from the horizontal.
3. Place the plate resting on the ground in 8. Centre the X-ray beam at the level of the
portrait orientation on the palmar side of proximal interphalangeal joint, midway
the limb, as close as possible to the foot. between the coronary band and the fetlock.
The plate should be angled parallel to the 9. Collimate around the pastern region.
pastern axis. 10. Exposure guide: 65 kVp, 8 mAs.
Figure 5.5 Positioning to obtain a DPa view of the pastern.
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