The present review about the most important parameters of small animal
ultrasound has the aim to facilitate the selection of the gear and th
e decision concerning the practicability of sonography under the respe
ctive circumstances. The choice of the device and especially of the sc
anner depends on the purpose of the examination. Advantages and disadv
antages of the different possibilities for documentation are described
and the important items which are to be taken into account during the
examination are presented.