Table 3 Charted ED interpretations of HINTS exams, and neuroimaging ordered
Charted Interpretation of HINTS exam | Charted Interpretation corresponds to HINTS Central, or HINTS Peripheral? | Neuroimaging Indicated? | Patients with charted interpretation (n) | CT performed? (n) | CT positive findings? | |
|---|---|---|---|---|---|---|
“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) | \ | |