From: Transient hypoglycemia as a rare cause of recurring transient loss of consciousness: a case report
Differential diagnosis | Possible symptoms | Rule-out criteria |
---|---|---|
Herpes zoster oticus | Vertigo | Patient could clearly differentiate between the vertigo and the syncopes |
Hypertensive emergency | Dizziness, impaired vision, headaches | No loss of consciousness during hypertensive episodes |
Psychogenic non-epileptic seizure | Unintended childlessness as a stressor | Syncopes occurred after stressor had been relieved |
Histamine intolerance | Flush symptoms (heat, sweating, dizziness) | Complete avoidance of histamine-rich food for more than 1 year |
Cardiac syncope | Syncope with or without prodromes | No structural heart disease detected in echocardiography or magnetic resonance imaging; normal electrocardiogram and normal treadmill test, no pathological ajmaline test, no arrhythmias in telemetric monitoring |