“HINTS negative” (n = 11)
|
NA
|
NA
|
11
|
Yes (4)
|
No
|
Results of each of 3 components of exam charted (n = 14)
|
HIT +ve, Nystagmus right, Test of skew –ve
|
Peripheral
|
No
|
1
|
No (0)
|
\
|
HIT normal, nystagmus none, test of skew normal
|
Central
|
Yes
|
3
|
Yes (2)
|
No
|
HI = + lag, Nystagmus = N, TS = N
|
Peripheral
|
No
|
1
|
No (0)
|
\
|
HIT abnormal, Nystagmus horizontal, Test of skew normal
|
Peripheral
|
No
|
1
|
No (0)
|
\
|
No lag on head impulse, unilateral nystagmus, lateral skew
|
Central
|
Yes
|
1
|
Yes (1)
|
No
|
Head impulse abnormal, Nystagmus vertical, no skew
|
Central
|
Yes
|
1
|
Yes (1)
|
No
|
HINTS = peripheral cause
|
Peripheral
|
No
|
1
|
No (0)
|
\
|
Symptoms reproducible with quick head turn to the right, no nystagmus, no skew
|
Peripheral
|
No
|
1
|
No (0)
|
\
|
Head impulse abnormal, Nystagmus bilateral, Test of skew positive
|
Central
|
Yes
|
1
|
No (0)
|
\
|
HIT –ve, N –ve, TS –ve
|
Central
|
Yes
|
1
|
No (0)
|
\
|
Head impulse +, no skew, no nystagmus
|
Peripheral
|
No
|
1
|
No (0)
|
\
|
HI + ve, N –ve, T –ve
|
Peripheral
|
No
|
1
|
No (0)
|
\
|