Overview
Neck positional nystagmus refers to involuntary eye movements observed when the neck is positioned in specific ways, often indicative of underlying central nervous system pathology such as brainstem or cerebellar disorders 1.Diagnosis
Clinical Observation: Identification of nystagmus during passive neck positioning maneuvers (e.g., Dix-Hallpike test) 1.
Recommended Tests: Video nystagmography to objectively document nystagmus characteristics 1.
Grading: Severity and persistence of nystagmus post-maneuver can help in grading the likelihood of posterior circulation pathology 1.Management
First-Line: Neuroimaging (MRI or CT) to rule out structural causes such as stroke, tumor, or demyelination 1.
Adjunctive: Referral to neurology for further evaluation and management based on imaging and clinical findings 1.Special Populations
No Specific Guidance: The provided abstracts do not cover special populations such as pregnancy, pediatrics, elderly, or comorbidities 1.Key Recommendations
Perform passive neck positioning maneuvers to diagnose neck positional nystagmus (Evidence: Expert opinion) 1.
Conduct neuroimaging (MRI preferred) in patients with positive positional nystagmus to identify potential structural causes (Evidence: Expert opinion) 1.
Refer patients with suspected central nervous system pathology to neurology for comprehensive management (Evidence: Expert opinion) 1.References
1 Picerno P, Cereatti A, Cappozzo A. A spot check for assessing static orientation consistency of inertial and magnetic sensing units. Gait & posture 2011. link