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

abnormal motor capabilities/coordination/movement, abnormal mucous neck cell morphology, abnormal otolith morphology, abnormal stria vascularis morphology, abnormal tectorial membrane morphology, abnormal vestibular labyrinth morphology, absent cochlear hair cells, absent distortion product otoacoustic emissions, absent organ of Corti supporting cells, absent pinna reflex, absent vestibular hair cell stereocilia, absent vestibular hair cells, behavior/neurological phenotype, bidirectional circling, cardiac hypertrophy, cardiovascular system phenotype, circling, cochlear ganglion degeneration, cochlear inner hair cell degeneration, cochlear outer hair cell degeneration, collapsed Reissner membrane, deafness, detached otolithic membrane, dilated gastric glands, enlarged stomach, head bobbing, head tossing, hearing/vestibular/ear phenotype, hypochlorhydria, impaired balance, impaired righting response, impaired swimming, increased QRS amplitude, increased heart weight, increased or absent threshold for auditory brainstem response, increased stomach mucosa thickness, increased stomach pH, no abnormal phenotype detected, organ of Corti degeneration, prolonged QRS complex duration, retropulsion, small scala media, spinning, stomach mucosa hyperplasia, syndromic hearing impairment, thin stria vascularis, utricular macular degeneration