Peripheral vs Central Vertigo: Distinguishing Features
The correct answer is E (A, B, and C are all correct) - peripheral vertigo typically presents with acute onset and benign causes, is commonly associated with tinnitus, hearing loss, and horizontal nystagmus, while central vertigo characteristically has gradual onset without auditory symptoms 1, 2.
Breaking Down Each Statement
Statement A: Peripheral Vertigo - Acute Onset, Benign Causes
This is correct. Peripheral vertigo, particularly benign paroxysmal positional vertigo (BPPV), accounts for approximately 85% of vertigo cases and presents with acute, sudden onset 3. The term "paroxysmal" specifically describes the rapid and sudden onset of vertigo initiated by position changes 1. In primary care settings, BPPV accounts for 42% of vertigo cases, followed by vestibular neuritis (41%) and Ménière's disease (10%), with most being benign conditions 1.
Statement B: Peripheral Vertigo - Tinnitus, Hearing Loss, Horizontal Nystagmus
This is correct. While BPPV itself doesn't cause hearing loss, other peripheral vestibular disorders commonly present with auditory symptoms. Ménière's disease characteristically presents with sustained vertigo accompanied by fluctuating hearing loss, aural fullness, and tinnitus in the affected ear 1. Labyrinthitis, another peripheral cause, also presents with hearing loss 1. The nystagmus in peripheral vertigo is characteristically horizontal or horizontal-torsional, as seen in posterior canal BPPV (torsional upbeating) and lateral canal BPPV (horizontal) 1.
Statement C: Central Vertigo - Gradual Onset, No Hearing Loss/Tinnitus
This is correct. Central vertigo typically has gradual onset and lacks auditory symptoms because the lesion is in the brainstem or cerebellum, not the inner ear 2. The duration pattern differs significantly: vertebrobasilar insufficiency (central) typically lasts minutes, whereas peripheral causes like Ménière's disease last hours 2. Central lesions don't affect the cochlea, so hearing loss and tinnitus are absent unless there's concurrent peripheral pathology.
Statement D: Central Vertigo - Malignant Etiology
This is incorrect and why "E" is the answer rather than "all of the above." While central vertigo requires more urgent evaluation due to potential stroke or posterior circulation ischemia 1, 4, not all central causes are malignant. Central causes include vestibular migraine, demyelinating diseases, and transient ischemic attacks - many of which are treatable and not "malignant" in the traditional sense 1. The term "malignant" is misleading; the concern is life-threatening conditions like cerebellar infarction or brainstem stroke, not cancer.
Clinical Pearls for Your 53-Year-Old Patient
For acute rotational vertigo in this patient, focus on:
- Timing and triggers: Peripheral causes are typically triggered by position changes and last seconds to minutes (BPPV) or hours (Ménière's), while central causes may be spontaneous and last days 1
- Associated symptoms: Check for hearing loss, tinnitus, and aural fullness (suggests peripheral) versus neurologic deficits like diplopia, dysarthria, or ataxia (suggests central) 2
- Nystagmus pattern: Horizontal or horizontal-torsional suggests peripheral; purely vertical (upbeating or downbeating) suggests central 2
- Perform Dix-Hallpike testing: This is crucial for diagnosing BPPV, the most common cause 1, 3
Critical warning: Cerebellar infarction can masquerade as peripheral vertigo with severe imbalance as the only feature - maintain high suspicion in patients with vascular risk factors and profound imbalance 2, 4.