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Sep 14, 2018

ERC congress - Resuscitation 2018

2 - How long does it take to shock again?

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vf

defibrillation

cpr

Abstract

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30

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Abstract

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Keywords

vf

defibrillation

cpr

Abstract

PURPOSE OF STUDY To study the time interval between consecutive shocks in OHCA when ACLS is provided as an indirect indicator of time management during CPR cycles according to 2015 ERC Guidelines. MATERIAL AND METHODS Descriptive, observational, retrospective study. Study period: January 1st 2014 to December 31st 2016. We define event as the presence of ventricular fibrillation (VF) for at least 3 consecutive rhythm analyses. Other studies define CPR cycle time in 120 s, optimal rhythm check time in 4 s, time to charge the defibrillator up to 200J in 7 s and shock delivery and resuming CPR in 1 s; therefore, the optimal time in between shocks is 133 s. We define, for analysis, an optimal time range between 133-146 s. Inclusion criteria: OHCA with one or more events assisted by SAMU-Asturias. Data collected from clinical records and event log from the monitor/defibrillator. Statistical analysis with SPSS Statistics 21 software. RESULTS 1706 OHCA registered: 114 meet inclusion criteria, with 127 events and 680 time intervals between shocks. Mean interval between shocks is 134,1 s (SD= 49,9 s). 15.9% of intervals between shocks are in the optimal time range. CONCLUSIONS - The optimal time range rate can be considered an indirect indicator of CPR quality. - Most of shocks are delivered in the 2 to 3 min interval. - Our optimal time range rate seems to be very low, though there are no standards to compare with. - Our study shows higher rates of time below the lower limit of the optimal time range. - Time control measures must be implemented during ACLS in OHCA.

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© Copyright 2019 Morressier GmbH.
All rights reserved.