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Getting the best results from ultrasonography

DIAGNOSTIC ultrasonography has been used in veterinary medicine for over 30 years. In the late 1970s, it was performed largely as a means of pregnancy diagnosis in the mare, ewe and sow. However, since then, technological advances have allowed the production of high resolution ultrasound images and accurate representation of movement, making it a useful tool for a range of veterinary applications. With equipment costs having also decreased, this imaging modality is now more readily available in practice. The key for the clinician is to produce images of the highest quality in order to maximise the diagnostic information obtained. This article describes the types of equipment available and provides practical guidance on how to optimise settings to obtain good quality, diagnostically useful images.

Frances Barr graduated from Cambridge in 1979. After five years in mixed practice, she moved to Bristol, where she is a senior teaching fellow in veterinary imaging techniques. She holds a PhD for studies on the use of ultrasound in canine abdominal disease, and RCVS and European diplomas in veterinary diagnostic imaging. She is the current president of the BSAVA.