• Am J Emerg Med · Jul 2012

    Case Reports

    Emergency cricothyrotomy for trismus caused by instantaneous rigor in cardiac arrest patients.

    • Jae Hee Lee and Koo Young Jung.
    • Department of Emergency medicine, Eulji General Hospital, Seoul 139-711, South Korea.
    • Am J Emerg Med. 2012 Jul 1;30(6):1014.e1-2.

    AbstractInstantaneous rigor as muscle stiffening occurring in the moment of death (or cardiac arrest) can be confused with rigor mortis. If trismus is caused by instantaneous rigor, orotracheal intubation is impossible and a surgical airway should be secured. Here, we report 2 patients who had emergency cricothyrotomy for trismus caused by instantaneous rigor. This case report aims to help physicians understand instantaneous rigor and to emphasize the importance of securing a surgical airway quickly on the occurrence of trismus.Copyright © 2012 Elsevier Inc. All rights reserved.

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