TY - JOUR T1 - Primary survey JF - Emergency Medicine Journal JO - Emerg Med J SP - 157 LP - 157 VL - 26 IS - 3 A2 - Hughes, Geoff Y1 - 2009/03/01 UR - http://emj.bmj.com/content/26/3/157.abstract N2 - Mobile phones of whatever shape and size are as commonplace as cars all over the world. The pace of change in their functionality is extraordinary and is only limited by the speed with which software applications are produced. Mobile video telephony has gained a small niche in the media; images transmitted from the scene of a newsworthy incident end up on our television screens instantly or within a few hours, although the image quality is highly variable. A team from Korea report how mobile video telephony can be used clinically as a teaching tool. The potential for further development of this modality is fascinating (see page 178).A challenge that has been round for many years is how to use investigations correctly, a challenge that is especially prominent with radiology. As new radiological … ER -