Vertigo

EM Clerkship - A podcast by Zack Olson, MD and Michael Estephan, MD

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Does the patient have CENTRAL vertigo (bad) or PERIPHERAL vertigo? Step 1: How Does Patient Describe the Vertigo? * Asking the patient to describe their dizziness has since been disproven… (However, the classic teaching is)* Central vertigo* Mild* Vague* Peripheral vertigo* Severe* Sudden Step 2: What Are the Associated Symptoms? * Central vertigo frequently associated with “The Dangerous D’s”* Diplopia (double vision)* Dysphagia (difficulty swallowing)* Dysmetria (uncoordinated movement)* Dysarthria (difficulty speaking) Step 3: Does this Patient Have Risk Factors for Central Vertigo? * History of stroke* Atrial fibrillation* Diabetes* Recent trauma Step 4: Do a Neuro Exam * Important exam findings for central vertigo* Abnormal gait* Abnormal finger-to-nose* Nystagmus* Important exam findings for peripheral vertigo* Dix-Hallpike Step 5: Plan * If concerned for CENTAL vertigo* MRI head/neck* If concerned for PERIPHERAL vertigo* Treat with meclizine Additional Reading * Posterior Circulation Strokes and Dizziness (emDOCs)