变压性眩晕(alternobaric vertigo,AV)是指在外界压力突然变化、中耳腔内形成相对高压时所发生的一种急性发作的短暂性眩晕。气压迅速改变是飞行员(包括乘客)和潜水员(包括潜水爱好者)在飞行和潜水过程中必须随时面对的问题。本文结合国内外的研究现状,简要介绍AV的相关知识。A Transient vertigo (alternobaric vertigo, AV) refers to a sudden change in external pressure, the formation of the middle ear cavity relatively high pressure occurs when a transient onset of transient dizziness. The rapid changes in air pressure are problems pilots (including passengers) and divers (including diving enthusiasts) must always face during flight and diving. This article combines the research status at home and abroad, briefly introduces the relevant knowledge of AV. A