Page 78 - A Practical Guide to Equine Radiography
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FETLOCk 59
Dorsodistal-palmaroproximal oblique 4. Position the X-ray machine on the dorsal side
VetBooks.ir (DDi-PaPrO) (Figs 6.35 and 6.36) 5. Focus–film distance: 100 cm.
of the limb, underneath the fetlock region.
1. Position the foot on a flat block with the
limb extended slightly forward relative to 6. Angle the X-ray beam 15 degrees upward
the horse. from the horizontal.
2. Place the plate in portrait orientation par- 7. Centre the X-ray beam at the level of the
allel to the metacarpus/metatarsus on the fetlock joint.
palmar side of the fetlock, as close as pos- 8. Collimate around the fetlock joint, includ-
sible to the limb. ing the distal third of the metacarpus/
3. Place a R/L marker on the lateral side of the metatarsus.
plate. 9. Exposure guide: 70 kVp, 10 mAs.
A B
Figure 6.35 Diagram showing how to obtain a DDi-PaPrO of the distal aspect of the metacarpus (A) and
positioning to obtain the same view (B).
Figure 6.36 DDi-PaPrO projection of the distal
aspect of the metacarpus.
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