Table 2

Overview of the differential diagnoses and performed investigations to rule them out

Differential diagnosis ruled outInvestigations
Progressive supranuclear palsyClinical features, brain MRI
Vestibular schwannoomBrain MRI
Brain metastasesBrain MRI
Alzheimer’s diseaseClinical features, brain MRI
StrokeBrain MRI
Cerebral amyloid angiopathyBrain MRI
Electrolyte abnormalitiesElektrolytes panel