Vertigo integrated with acute vestibular syndrome (AVS) is a frequent reason for emergency visits. The French and international literature estimates between 2 to 4% of vertigo prevalence among reasons for coming to emergencies. International classifications define AVS as vertigo or acute dizziness (less than one month) and persistent, gait instability, nausea or vomiting, nystagmus or an intolerance to head movements. In emergency departments, the clinical approach of vertiginous patients is difficult because the "vertigo" term is sometimes used in by patients, or because they use the terms "uneasiness", "vertigo", or "dizziness" without distinction. These terms sometimes include various sensations of "sleeping head", "blurred vision", "instability", "pitch" etc. A first difficulty is therefore to clarify these terms and organize syndrome expressed by the patient. A rigorous interrogation is therefore essential and can be time-consuming. Another difficulty is to carry out an exhaustive clinical examination including the assessment of the general condition and hydration, an ENT examination and a neurological examination. However, at the end of these steps, the orientation central or peripheral etiology is not simple. In the last consensus conference of the Barany Society (2014) the classification of VAS into three types was not sufficient to distinguish "benign" vertigo from "risky" dizziness (related to a central cause).
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Diagnostic sensitivity of the HINTS test performed by pre-trained emergency doctors (DEMs) to distinguish a central cause from a peripheral cause in a patient with isolated VAS in the emergency department
Timeframe: Day 1
Diagnostic specificity of the HINTS test performed by pre-trained emergency doctors (DEMs) to distinguish a central cause from a peripheral cause in a patient with isolated VAS in the emergency department
Timeframe: Day 1