• Resuscitation · Oct 2002

    Randomized Controlled Trial Clinical Trial

    The effect of seeing the rhythm display on performance of cardiopulmonary resuscitation.

    • T Silfvast, H Paakkonen, and J Gorski.
    • Department of Anaesthesiology and Intensive Care Medicine, Helsinki University Central Hospital, P.O. Box 340, Finland. tom.silfvast@hus.fi
    • Resuscitation. 2002 Oct 1; 55 (1): 25-9.

    AbstractSemiautomated external defibrillators are widely used by prehospital emergency personnel. Some of the devices have a rhythm display and some show only text commands on the screen. To evaluate the effects on cardiopulmonary resuscitation (CPR) performance of seeing the rhythm during resuscitation, 60 fire-fighter students were randomly divided in two groups and trained to use either a defibrillator with a rhythm display or one without a display. The students in both groups formed teams of two rescuers, and their performance of CPR on a manikin was tested using a predefined rhythm sequence in a simulated cardiac arrest situation. The teams using a defibrillator with a rhythm display more often interrupted CPR for pulse checks than those who did not see the rhythm (P=0.003). The duration of CPR between rhythm analyses was shorter in the group who saw the rhythm on the screen (P=0.002). Our data suggest that seeing an organised rhythm on a monitor during CPR interferes with adherence to CPR algorithms which may have a negative influence on the performance of CPR.

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