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The use of bromothymol blue and sodium thiopentone to confirm tracheal intubation.

John Dingley

Anaesthesia, Volume: 51, Issue: 1, Pages: 29 - 32

Swansea University Author: John Dingley

Abstract

The possibility of using chemical changes to confirm correct tracheal tube placement was investigated with a view to their use in developing countries where more sophisticated methods are unavailable. The effect of bubbling expired gases through a 10% solution of bromothymol blue and a 0.25% solutio...

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Published in: Anaesthesia
Published: 1996
URI: https://cronfa.swan.ac.uk/Record/cronfa27513
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last_indexed 2018-02-09T05:10:41Z
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spelling 2016-04-27T22:25:07.4598046 v2 27513 2016-04-27 The use of bromothymol blue and sodium thiopentone to confirm tracheal intubation. 1283ffdd09b091ec57ec3e235a48cfcc John Dingley John Dingley true false 2016-04-27 PMSC The possibility of using chemical changes to confirm correct tracheal tube placement was investigated with a view to their use in developing countries where more sophisticated methods are unavailable. The effect of bubbling expired gases through a 10% solution of bromothymol blue and a 0.25% solution of thiopentone led to chemical changes producing, in the case of bromothymol blue, a colour change and in that of thiopentone, precipitation, probably due to a change in pH caused by carbon dioxide. We also discovered that the time to precipitation of the thiopentone could be greatly reduced if it was mixed with a precise quantity of lignocaine. These simple end points can reliably confirm the correct placement of a tracheal tube at least as rapidly as the correct use of capnography. Journal Article Anaesthesia 51 1 29 32 31 1 1996 1996-01-31 COLLEGE NANME Medicine COLLEGE CODE PMSC Swansea University 2016-04-27T22:25:07.4598046 2016-04-27T22:25:07.4598046 Faculty of Medicine, Health and Life Sciences Swansea University Medical School - Medicine John Dingley 1
title The use of bromothymol blue and sodium thiopentone to confirm tracheal intubation.
spellingShingle The use of bromothymol blue and sodium thiopentone to confirm tracheal intubation.
John Dingley
title_short The use of bromothymol blue and sodium thiopentone to confirm tracheal intubation.
title_full The use of bromothymol blue and sodium thiopentone to confirm tracheal intubation.
title_fullStr The use of bromothymol blue and sodium thiopentone to confirm tracheal intubation.
title_full_unstemmed The use of bromothymol blue and sodium thiopentone to confirm tracheal intubation.
title_sort The use of bromothymol blue and sodium thiopentone to confirm tracheal intubation.
author_id_str_mv 1283ffdd09b091ec57ec3e235a48cfcc
author_id_fullname_str_mv 1283ffdd09b091ec57ec3e235a48cfcc_***_John Dingley
author John Dingley
author2 John Dingley
format Journal article
container_title Anaesthesia
container_volume 51
container_issue 1
container_start_page 29
publishDate 1996
institution Swansea University
college_str Faculty of Medicine, Health and Life Sciences
hierarchytype
hierarchy_top_id facultyofmedicinehealthandlifesciences
hierarchy_top_title Faculty of Medicine, Health and Life Sciences
hierarchy_parent_id facultyofmedicinehealthandlifesciences
hierarchy_parent_title Faculty of Medicine, Health and Life Sciences
department_str Swansea University Medical School - Medicine{{{_:::_}}}Faculty of Medicine, Health and Life Sciences{{{_:::_}}}Swansea University Medical School - Medicine
document_store_str 0
active_str 0
description The possibility of using chemical changes to confirm correct tracheal tube placement was investigated with a view to their use in developing countries where more sophisticated methods are unavailable. The effect of bubbling expired gases through a 10% solution of bromothymol blue and a 0.25% solution of thiopentone led to chemical changes producing, in the case of bromothymol blue, a colour change and in that of thiopentone, precipitation, probably due to a change in pH caused by carbon dioxide. We also discovered that the time to precipitation of the thiopentone could be greatly reduced if it was mixed with a precise quantity of lignocaine. These simple end points can reliably confirm the correct placement of a tracheal tube at least as rapidly as the correct use of capnography.
published_date 1996-01-31T03:33:21Z
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score 11.012678

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