Symptoms, examination and investigation findings
All | Vestibular Neuritis | Posterior circulation stroke | Migraine | Other | ||||||
n | % | n | % | n | % | n | % | n | % | |
Total | 133 | 53 | 40 | 20 | 15 | 21 | 16 | 39 | 29 | |
Presentation | ||||||||||
Symptomatic* | 114 | 86 | 50 | 94 | 17 | 85 | 17 | 81 | 30 | 77 |
Migraine features | 50 | 38 | 15 | 28 | 7 | 35 | 17 | 81 | 11 | 28 |
Anti-emetic | 55 | 41 | 26 | 49 | 7 | 35 | 9 | 43 | 13 | 33 |
Examination | ||||||||||
b-HIT abnormal | 63 | 47 | 46 | 87 | 7 | 35 | 5 | 24 | 5 | 13 |
Nystagmus | 93 | 70 | 51 | 96 | 12 | 60 | 13 | 62 | 17 | 44 |
Unidirectional | 77 | 58 | 49 | 92 | 6 | 30 | 10 | 48 | 12 | 31 |
Skew deviation | 6 | 5 | 2 | 4 | 3 | 15 | 0 | 0 | 1 | 3 |
Acute hearing loss | 7 | 8 | 1 | 1 | 0 | 0 | 1 | 5 | 5 | 13 |
Investigations | ||||||||||
v-HIT peripheral | 55 | 41 | 51 | 96 | 4 | 20 | 0 | 0 | 0 | 0 |
v-HINTS peripheral | 50 | 38 | 47 | 89 | 3 | 15 | 0 | 0 | 0 | 0 |
*Patients remaining symptomatic at time of vestibular assessment by one of the primary investigators.
b-HIT, bedside HIT; v-HINTS, video-Head Impulse, Nystagmus and Test of Skew; v-HIT, video head impulse test.