What is vertigo?
Vertigo is a familiar yet often misunderstood sensation that can significantly disrupt daily life. Characterized by a spinning or swaying feeling, it stems from issues within the vestibular system, primarily the inner ear, which is responsible for balance. This sensation, distinct from lightheadedness or faintness, can be disorienting and frightening for those experiencing it.
One prevalent cause of vertigo is benign paroxysmal positional vertigo (BPPV), where tiny calcium carbonate crystals within the inner ear's semicircular canals become dislodged, triggering sudden episodes of vertigo with specific head movements. Symptoms of BPPV include brief episodes of dizziness triggered by changes in head position, such as rolling over in bed or looking up.
Peripheral vertigo, originating in the inner ear, is the most common type, often related to issues like BPPV, vestibular neuritis, or Meniere's disease. Conversely, central vertigo arises from disruptions in the central nervous system, such as brainstem or cerebellar lesions, or traumatic brain injury. Distinguishing between peripheral and central vertigo is crucial for accurate diagnosis and appropriate treatment.
When evaluating vertigo symptoms, clinicians often assess associated features, such as nystagmus (involuntary eye movements), hearing loss, and balance impairments. The Dix-Hallpike maneuver and the head impulse test are among the diagnostic tools commonly used to pinpoint the cause of vertigo.
Traumatic brain injury (TBI) can also lead to vertigo, either directly through damage to the inner ear structures or indirectly by affecting the brain regions responsible for processing balance signals. In cases of TBI-related vertigo, comprehensive evaluation and management by healthcare professionals specializing in both neurology and otolaryngology are essential.
What are the two types of vertigo?
Vertigo manifests in two primary forms: peripheral and central vertigo, each originating from distinct anatomical areas and presenting unique symptoms.
Peripheral vertigo, often stemming from issues within the inner ear or vestibular nerve, includes conditions like benign paroxysmal positional vertigo (BPPV), vestibular neuritis, and Meniere's disease. Symptoms typically involve a spinning sensation triggered by specific head movements, abnormal eye movements and possibly hearing loss. Clinicians diagnose peripheral vertigo through tests such as the Dix-Hallpike maneuver to elicit characteristic nystagmus.
On the other hand, central vertigo arises from disruptions in the central nervous system, including the brainstem or cerebellum, often due to conditions like traumatic brain injury or stroke. Symptoms may be more persistent and severe, potentially accompanied by other neurological deficits. Diagnosing central vertigo requires a comprehensive evaluation, including imaging studies like magnetic resonance imaging (MRI) to identify underlying brain abnormalities.
Regardless of the type, accurate diagnosis is crucial for effective vertigo treatment. Healthcare providers, including otolaryngologists and neurologists, utilize various diagnostic tests to assess vestibular function and differentiate between peripheral and central causes, ultimately guiding appropriate management strategies for individuals experiencing vertigo symptoms.










