Page 71 - A Practical Guide to Equine Radiography

52 A PRACTICAL GUIDE TO EQUINE RADIOGRAPHY

Palmaroproximal-palmarodistal oblique 5. Angle the X-ray beam 85 degrees downward
VetBooks.ir (PaPr-PaDiO) (Figs 6.21–6.24) 6. Centre the X-ray beam at the level of the
from the horizontal.
1. Position the foot being imaged on a tun-
nel block slightly backward relative to the proximal sesamoid bones.
contralateral limb. The fetlock should be as 7. Collimate around the fetlock joint.
much extended as possible. 8. Exposure guide: 60 kVp, 8 mAs.
2. Place the plate facing upwards in the tunnel
block.
3. Place a R/L marker on the lateral side of the
plate.
4. Position the X-ray machine palmar to the
limb and proximal to the proximal sesamoid
bones. A 100 cm focus–film distance is usu-
ally not possible since the X-ray machine
cannot be positioned high enough.

Figure 6.21 Positioning to obtain a PaPr-PaDiO view of the fetlock.

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