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StatPearls, LLC

  • Barotrauma
  • Decompression
  • Vertigo

Alternobaric Vertigo

Alternobaric vertigo is a benign vestibular condition caused by differential middle ear pressurization during changes in ambient pressure, most commonly encountered in scuba diving and aviation. This pressure mismatch produces asymmetric vestibular input, resulting in transient vertigo that typically resolves with pressure equalization. Although generally self-limited, symptoms may impair safety in high-risk environments and may mimic more serious conditions, such as inner ear barotrauma or decompression illness, making accurate recognition essential. Risk factors include eustachian tube dysfunction, recent upper respiratory infections, and prior barotrauma. This activity provides a focused review of the pathophysiology, clinical presentation, and diagnostic evaluation of alternobaric vertigo. Clinicians gain improved ability to distinguish benign from emergent causes of vertigo, apply appropriate examination techniques, and implement evidence-based management strategies, including patient education on equalization maneuvers. Emphasis is placed on risk stratification, safety considerations, and coordinated interprofessional care to optimize outcomes and prevent complications.

Credit & MOC Details

Credit information is provided by the course provider. We recommend confirming credit eligibility with the provider or your licensing board before starting the activity.

Credit types

AAPA Category 1 Credit™Up to 1 creditAMA PRA Category 1 Credit™Up to 1 creditNursingUp to 1 creditPharmacyUp to 1 credit

MOC types

ABS — Accredited CMEUp to 1 pointABPM — Accredited CMEUp to 1 pointABPATH — Lifelong LearningUp to 1 pointABA — Lifelong LearningUp to 1 pointABTS — Accredited CMEUp to 1 pointABIM — Medical KnowledgeUp to 1 pointABS — Self-AssessmentUp to 1 pointABP — Lifelong Learning and Self-AssessmentUp to 1 pointABPM — Self-AssessmentUp to 1 pointABOHNS — Self-AssessmentUp to 1 pointABTS — Self-AssessmentUp to 1 point

FDA REMS

No

Qualifies for MIPS

No

Target Specialties

Cross-Specialty

Relevant across 8 specialties.

Pricing

Fee varies

This provider typically $49–98

See fees on statpearls.com

Listed by the provider

  • Article / monograph / reference
  • Credit · Up to 1 credit
  • MOC · Up to 1 point
  • Fee varies · this provider typically $49–98
  • Released
    Sep 1, 2026
  • Last day to claim credit
    Sep 1, 2029 3 years left

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