PMID: 9160637Jan 1, 1996Paper

Ambulatory monitoring of respiration in anxiety

Anxiety
J M MartinezJ M Gorman

Abstract

An ambulatory monitor, body suit, and calibration procedure were developed to compare the respiration of seven patients with panic disorder and twelve normal volunteers. Subjects wore a body suit with Respitrace bands, connected to a portable respiratory monitor for a period of 24 hours. Breath by breath values for respiratory rate and tidal volume were computed every two minutes. There was a significant difference between patients and controls in their patterns of minute ventilation during sleep. Tidal volume, rather that respiratory rate increases characterized the periods of anxiety and limited symptom attacks.

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