biostudies-literatureUnknown16(1)Hassannia FWe present an unusual case of a patient with a positive Tullio phenomenon, brief Valsalva-induced transient horizontal nystagmus, reduced left caloric response, and bilateral vestibulo-ocular reflex loss. This study discusses the pathophysiology and differential diagnosis concerning the suspected pathology for the phenomenon of utricular hydrops or vestibular atelectasis and presents a literature review.The journal of international advanced otology127-129https://www.ebi.ac.uk/biostudies/studies/S-EPMC7224419biostudies-literatureTransient Vertigo with Horizontal Nystagmus to Loud Noise and Pressure: Utricular Hydrops or Vestibular Atelectasis?PMC7224419A Rutka JD Carr SHassannia FfalseTransient Vertigo with Horizontal Nystagmus to Loud Noise and Pressure: Utricular Hydrops or Vestibular Atelectasis?We present an unusual case of a patient with a positive Tullio phenomenon, brief Valsalva-induced transient horizontal nystagmus, reduced left caloric response, and bilateral vestibulo-ocular reflex loss. This study discusses the pathophysiology and differential diagnosis concerning the suspected pathology for the phenomenon of utricular hydrops or vestibular atelectasis and presents a literature review.2020-01-01T00:00:00Z2020 Apr2024-11-14T19:14:36.887Z2020-05-22T20:15:23ZS-EPMC72244193240120810.5152/iao.2019.6283