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Study on the development and usage of a cardiopulmonary resuscitation time point recorder

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Ling Zhou1, Hui Li2, Hong-yan Wei2, Chun-lin Hu2, Xiao-li Jing2, Hong Zhan2, Xiao-xing Liao2, Xin Li3


1 Fire Corps Medical Department of Hunan Province, Changsha, China


2 Department of Emergency Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China


3 Department of Emergency Medicine, Department of Emergency and Critical Care medicine, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China


Corresponding Author: Xin Li, Email: xlidoct@qq.com


© 2017 World Journal of Emergency Medicine


DOI: 10.5847/wjem.j.1920–8642.2017.03.006


BACKGROUND: To invent a novel cardiopulmonary resuscitation (CPR) time point recorder to synchronously and automatically record the time and to identify its effectiveness in humans.

METHODS: A CPR time point recorder was invented after the doctors were familiar with the traditional Utstein recovery registration mode and mastered the registration time points required. The progress of CPR was simulated. The standard and correct times were recorded, and the doctors performing the recovery collected the data about the times using our CPR time point recorder or the memory registration mode.

RESULTS: The deviation times were 21.4±24.7 seconds for the memory group and 3.57±4.58 seconds for CPR time point recorder group. The deviation of times increased significantly depending on the increase of the operation items in the memory group. A similar phenomenon was found in the timer group but with a smaller difference (P<0.01).

CONCLUSION: A CPR time point recorder could reduce the deviation of operate-time, especially after a long-time operation, and for procedures with more operating items, compared with the memory mode. It was a more advantageous and accurate method for the Utstein registration.

(World J Emerg Med 2017;8(3):195–199)


KEY WORDS: Cardiopulmonary resuscitation; Time point recorder; Utstein registration

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