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The respiratory inductive plethysmograph: bands versus jerkins.

Authors
  • Spier, S
  • England, S
Type
Published Article
Journal
The American review of respiratory disease
Publication Date
Jun 01, 1983
Volume
127
Issue
6
Pages
784–785
Identifiers
PMID: 6859662
Source
Medline
License
Unknown

Abstract

The respiratory inductive plethysmograph (RIP) is used to measure ventilation from body surface movements. We have compared the accuracy of the two versions of inductance coils used with this instrument. The early version consists of rib cage and abdominal coils sewn into a one-piece jerkin, whereas the new version consists of similar coils attached to two separate bands. Following overnight studies in 12 subjects, we found that less than 50% of separate band RIP tidal volumes were accurate when compared with simultaneously measured spirometric values. The jerkin RIP, however, was accurate in 87% of the breaths measured. Therefore, we advocate the use of the jerkin RIP for prolonged studies because the separate bands appear to move more easily.

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