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===Snakes===
===Snakes===
*Positioning is extremely important and snakes should not be radiographed just coiled in a bag. Radiographs of an entire snake can be taken sequentially and are far more useful than a single radiograph of coiled snake. Sequential radiographs can often be performed on a single plate. A small area of overlap should be included on each film. If possible, the lateral views should be included in the same orientation and position as the dorsoventral views.
*Positioning is extremely important and snakes should not be radiographed just coiled in a bag. Radiographs of an entire snake can be taken sequentially and are far more useful than a single radiograph of coiled snake. Sequential radiographs can often be performed on a single plate. A small area of overlap should be included on each film. If possible, the lateral views should be included in the same orientation and position as the dorsoventral views.
*Barium series can be performed on snakes. Give 0.5% bodyweight in mls of barium sulphate suspension by oesophageal tube followed by 4.5% bodyweight in mls of air for double contrast study. Radiograph in 15 minutes to assess oesophagus, stomach and duodenum. Continue series for lower gut.
*Barium series can be performed on snakes. Radiograph in 15 minutes to assess oesophagus, stomach and duodenum. Continue series for lower gut.
*Take two views: dorsoventral and lateral. The lateral view is the best for visualising the lung fields and the cardiac silhouette. On the DV view the spine tends to obscure the central portion of the lungs, and almost totally obliterates a clear view of the heart.
*Take two views: dorsoventral and lateral. The lateral view is the best for visualising the lung fields and the cardiac silhouette. On the DV view the spine tends to obscure the central portion of the lungs, and almost totally obliterates a clear view of the heart.
[[Image:Ultrasoundsnake.jpg|150px|thumb|right|©RVC and its licensors, Peer Zwart and Fredric Frye. All rights reserved]]
[[Image:Ultrasoundsnake.jpg|150px|thumb|right|©RVC and its licensors, Peer Zwart and Fredric Frye. All rights reserved]]