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Laryngeal muscle recovery after suxamethonium
Author(s) -
BAER G. A.
Publication year - 1984
Publication title -
anaesthesia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.839
H-Index - 117
eISSN - 1365-2044
pISSN - 0003-2409
DOI - 10.1111/j.1365-2044.1984.tb09502.x
Subject(s) - medicine , forearm , phonation , ventilation (architecture) , larynx , jet ventilation , alarm , anesthesia , breathing , surgery , audiology , airway , mechanical engineering , materials science , engineering , composite material
Summary Complications due to intratracheal jet ventilation are often caused by the unrecognized recovery of laryngeal muscles. The rate of rise of pressure in a main bronchus alters with changes of the glottic aperture during jet ventilation. The special pressure curve monitor sets off an alarm when the steepness of the rising curve changes. During recovery these alarms, as well as the onset of phonation, coughing, spontaneous breathing and forearm muscle activity are recorded simultaneously. Forearm muscle activity always appears later than the alarm, and often later than the other recorded phenomena. Pressure curve monitoring provides advance warning of returning muscle activity in the larynx, but conventional muscle activity monitoring in the forearm does not.