The present disclosure describes example systems and methods for identifying an indication of an injury of a user of a wearable computing device. The systems and methods may be directed to determining that an acceleration experienced by the wearable computing device exceeds a threshold value. In response, the wearable computing device may perform a diagnostic procedure in order to identify an indication of an injury experienced by the user of the wearable computing device. The diagnostic procedure may include one or more of an eye response test, a verbal response test, a motor response test, and a visual diagnostic test.