Our guide to positioning – here are our 6 top tips
Posted: 11 January 2018
Positioning prior to exposure is critical and helps to;
1. Use sedation or anaesthesia – it’s much safer and less stressful to both the animal and the clinician if the patient is immobilised. Trying to restrain a conscious animal will cause stress and is likely to result in movement and a compromised radiographic image.
2. Use sandbags of various shapes and sizes – these can be used in calm conscious, lightly sedated or fully anaesthetised patients. The sandbags can be used to raise, pull forwards or hold down limbs.
3. Intubation for longer procedures - endotracheal intubation should be considered if a long sequence of x-rays are to be taken. If you are intending to xray the head, jaw bones and dental architecture, the position of the tube has to be taken into account to avoid it causing artefacts and complicate the image interpretation.
4. Understand symmetry – examining and imaging all animals requires a natural understanding of symmetry, and radiographic imaging is no exception. In most situations it is of utmost importance.
5. Use positioning aids - pieces of foam, sandbags or tape can be used to help with correct positioning and to secure the patient to the radiographic plate, without interfering with the images.
6. Take multiple views - correct radiographic interpretation usually requires more than one view to be taken for each anatomic area studied. Standard practice is to take two views 90° apart (a lateral and a dorsoventral or ventrodorsal view) of the area of the body of interest.