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Published in: Journal of Clinical Monitoring and Computing 4/2020

01-08-2020 | Letter to the Editor

Capnography-sample line leak and incremental positive end expiratory pressure (PEEP); an interesting interplay

Authors: Amit Jain, Byrappa Vinay, Jayaraju Revanna

Published in: Journal of Clinical Monitoring and Computing | Issue 4/2020

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Abstract

The capnography is an important monitor to assess the patient’s respiratory status. Importance of education for clinicians in interpretation of alarms and various capnography waveforms in different clinical scenarios and equipment malfunction is an understatement. Capnography waveforms due to sample line tube leak is described well in literature. This report describes an interesting effect of incremental positive end expiratory pressure (PEEP) on capnography waveforms linked to sample line leak.
Literature
1.
go back to reference Ortega R, Christopher C, Kim S, Djang R, Patel K. Monitoring ventilation with capnography. N Engl J Med. 2012;367:e27.CrossRef Ortega R, Christopher C, Kim S, Djang R, Patel K. Monitoring ventilation with capnography. N Engl J Med. 2012;367:e27.CrossRef
2.
go back to reference Vinay B. An abrupt reduction in end tidal carbon dioxide concentration in a mechanical ventilated patient in neurocritical care ward: a capnogram artefact. J Clin Monit Comput. 2018;32(2):369–71.CrossRef Vinay B. An abrupt reduction in end tidal carbon dioxide concentration in a mechanical ventilated patient in neurocritical care ward: a capnogram artefact. J Clin Monit Comput. 2018;32(2):369–71.CrossRef
4.
go back to reference Vinay B, Sriganesh K, Gopala Krishna KN. An abrupt reduction in end tidal carbon dioxide during neurosurgery is not always due to venous air embolism: a capnograph artefact. J Clin Monit Comput. 2014;28(2):217–9.CrossRef Vinay B, Sriganesh K, Gopala Krishna KN. An abrupt reduction in end tidal carbon dioxide during neurosurgery is not always due to venous air embolism: a capnograph artefact. J Clin Monit Comput. 2014;28(2):217–9.CrossRef
5.
go back to reference Horishita T, Minami K. A leak in a capnography sampling line induced a difference between arterial and end tidal CO2. Anesthesiology. 2001;95:815.CrossRef Horishita T, Minami K. A leak in a capnography sampling line induced a difference between arterial and end tidal CO2. Anesthesiology. 2001;95:815.CrossRef
6.
go back to reference Jaffe RA, Talavera JA, Hah JM, Brock-Utne JG. The dromedary sign—an unusual capnograph tracing. Anesthesiology. 2008;109:149–50.CrossRef Jaffe RA, Talavera JA, Hah JM, Brock-Utne JG. The dromedary sign—an unusual capnograph tracing. Anesthesiology. 2008;109:149–50.CrossRef
7.
go back to reference Davis DP, Kenny GNC, editors. Basic physics and measurement in anaesthesia. 5th ed. London: Butterworth-Heinemann; 2012. p. 217. Davis DP, Kenny GNC, editors. Basic physics and measurement in anaesthesia. 5th ed. London: Butterworth-Heinemann; 2012. p. 217.
Metadata
Title
Capnography-sample line leak and incremental positive end expiratory pressure (PEEP); an interesting interplay
Authors
Amit Jain
Byrappa Vinay
Jayaraju Revanna
Publication date
01-08-2020
Publisher
Springer Netherlands
Published in
Journal of Clinical Monitoring and Computing / Issue 4/2020
Print ISSN: 1387-1307
Electronic ISSN: 1573-2614
DOI
https://doi.org/10.1007/s10877-019-00388-8

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