Estimated Vestibulogram (EVEST) for Effective Vestibular Assessment

Figure 4

Single patient’s EVEST of vestibular schwannoma l.dx., Koos 4 stage. Caloric test and VHIT show severe canal paresis. No spontaneous nystagmus is present, but induced head shaking nystagmus is present. The EVEST interaural VFA is 42%.