Page 53 - A Practical Guide to Equine Radiography

34 A PRACTICAL GUIDE TO EQUINE RADIOGRAPHY

Lateromedial (LM) (Figs 5.1–5.4) 5. Position the X-ray machine on the lateral
VetBooks.ir 1. Stand the horse square with the cannon 6. Focus–film distance: 100 cm.
side of the limb.
bone vertical to the ground in each direc-
tion, and ensure all limbs are equally 7. Use a horizontal X-ray beam.
weight-bearing. 8. Align the beam perpendicular to the limb,
2. Position both feet on flat blocks with each parallel to bulbs of the heel.
foot at the medial edge of the block. 9. Centre the X-ray beam at the level of the
3. Place the plate resting on the ground in proximal interphalangeal joint, midway
portrait orientation on the medial side of between the coronary band and the fetlock.
the limb, as close as possible to the foot. 10. Collimate around the pastern region.
4. Place a R/L marker on the dorsal aspect of 11. Exposure guide: 65 kVp, 8 mAs.
the plate.

Figure 5.1 Positioning to obtain a LM view of the pastern.

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