Systems and methods for ultrasound imaging using an inertial reference unit are disclosed. In one embodiment, an ultrasound imaging system includes an ultrasound unit configured to ultrasonically scan at least one plane within a region of interest in a subject and generate imaging information from the...http://www.google.se/patents/US20070276247?utm_source=gb-gplus-sharePatent US20070276247 - Systems and methods for ultrasound imaging using an inertial reference unit