Congenital sensorineural hearing impairment, Hypokalemia, Iron deficiency anemia, Loss of consciousness, Postexertional malaise, Profound sensorineural hearing impairment, Prolonged QT interval, Prolonged QTc interval, Seizure, Sensorineural hearing impairment, Sinus bradycardia, Sudden cardiac death, Syncope, Torsade de pointes, Ventricular arrhythmia, Ventricular fibrillation

abnormal myocardial fiber physiology, abnormal otolith morphology, abnormal prepulse inhibition, abnormal scala media morphology, abnormal startle reflex, abnormal stria vascularis morphology, abnormal tectorial membrane morphology, abnormal vestibular dark cell morphology, abnormal vestibular system physiology, absent cochlear hair cells, absent cochlear inner hair cells, absent cochlear outer hair cells, absent linear vestibular evoked potential, absent organ of Corti, absent outer hair cell stereocilia, absent pinna reflex, absent startle reflex, absent vestibuloocular reflex, bidirectional circling, circling, cochlear ganglion degeneration, cochlear hair cell degeneration, collapsed Reissner membrane, deafness, decreased anxiety-related response, decreased bone mineral content, decreased grip strength, decreased prepulse inhibition, decreased startle reflex, decreased thigmotaxis, decreased vertical activity, head bobbing, head tilt, head tossing, impaired limb coordination, impaired righting response, impaired swimming, increased blood osmolality, increased circulating alkaline phosphatase level, increased lean body mass, increased mean corpuscular hemoglobin, increased or absent threshold for auditory brainstem response, organ of Corti degeneration, small scala media, trunk curl, unidirectional circling, utricular macular degeneration, vestibular dark cell degeneration, vestibular hair cell degeneration, vestibular saccular macula degeneration