Clinical findings may include combinations of:
(1) headache
(2) nausea and vomiting
(3) vertigo and/or dizziness
(4) ataxia (gait, limb and/or truncal)
(5) dysarthria
(6) altered mental status (confusion, drowsiness, other)
(7) an elevated systolic blood pressure (may be > 200 mm Hg)
(8) bradycardia (heart rate < 60 beats per minute)
(8) changes to pupils (anisocoria, pinpoint)
(10) abnormal corneal or oculocephalic reflexes
(11) abnormal movements of extraocular eye muscles (nystagmus, gaze paresis, other)
(12) facial paresis/palsy
(13) hemiparesis
(14) Babinski sign
where:
• Dysautonomia may be manifested by bradycardia and the marked elevation in systolic blood pressure.
Ott's triad may be seen in a minority of patients:
(1) ipsilateral facial palsy
(2) gaze paresis
(3) limb ataxia
