Dizziness and Vertigo
Clinical evaluation, differential diagnosis, central stroke red flags (HINTS examination), and supportive management for Dizziness under AAN 2020 guidelines.
Editorial review complete
Independent clinical validation is pending.
Quick Reference Facts
In simple words
Dizziness: A broad clinical term encompassing rotational spinning sensation (Vertigo), lightheadedness/presyncope, disequilibrium, or non-specific spatial disorientation.
Reflects vestibular nerve or inner ear pathology (BPPV, vestibular neuritis), central brainstem/cerebellar stroke, cardiac dysrhythmia, or orthostatic hypotension.
Common Causes
- Benign Paroxysmal Positional Vertigo (BPPV), Vestibular Neuritis / Labyrinthitis
- Meniere's Disease, Vestibular Migraine
- Orthostatic Hypotension, Medication Side Effects (Antihypertensives, Sedatives)
- Anemia, Hypoglycemia, Dehydration, Anxiety / Hyperventilation
Clinical Red Flags
Seek urgent medical attention at an emergency department or primary care clinic if you present with any of the following symptoms:
- Sudden onset continuous vertigo with focal neurological deficits (dysarthria, diplopia, ataxia, facial weakness)
- Abnormal HINTS exam (normal head impulse, direction-changing nystagmus, vertical skew deviation - suggestive of central stroke)
- Dizziness accompanied by chest pain, palpitations, presyncope, or loss of consciousness
- Sudden severe unilateral hearing loss or inability to stand/walk unassisted
Lifestyle & Diet Support
Perform Epley maneuver for positional vertigo under guidance, change positions slowly, maintain adequate hydration, avoid sudden neck movements, and reduce salt intake if Meniere's disease is suspected.
Frequently Asked Questions
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Differential Diagnosis Matrix
Differentiate peripheral vestibular dizziness (BPPV, neuritis) from central neurological stroke (posterior circulation / cerebellar ischemia), cardiac arrhythmias (AV block, VT), and presyncope.
Reference Citations & Evidence Sources
Clinical Guidelines & Consensus Statements
Clinical Reviews & Textbooks
- CIT-0023National Center for Complementary and Integrative Health. "Homeopathy: What You Need To Know." National Institutes of Health (2021).
Clinical Connections
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