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Accuracy of instructional diagrams for automated external defibrillator pad positioning

Accuracy of instructional diagrams for automated external defibrillator pad positioning
Accuracy of instructional diagrams for automated external defibrillator pad positioning

Introduction: Correct defibrillation pad positioning optimises the chances of successful defibrillation. AEDs have pictoral representation to guide untrained bystanders in correct pad positioning. There is a wide variation in this pictoral guidance and evidence suggests that correct anatomical pad placement is poor. We reviewed all currently available diagrams and assessed the resultant pad placement achieved by untrained bystanders following these instructions. Methods: Twenty untrained bystanders were presented with a total of 27 different pad placement diagrams (including one designed by the researchers)in a random sequence and were asked to apply them to the chest of an adult manikin. The lateral/medial and cranial/caudal position in relation to the optimal position recommended by the European Resuscitation Council guidelines was then measured for each pair of pads. Results: Overall, the sternal pad was placed an average of 6.0 mm cranial to, and 3.2 mm medial to, the optimal position. The apical pad was placed an average of 78.2 mm caudal to, and 59.3 mm medial to, the optimal position. The pad position diagram we designed and assessed out performed existing diagrams. Conclusion: All current defibrillation pad diagrams fail to achieve accurate defibrillation pad placement. A clearer, more effective diagram, such as the one we designed, is urgently needed to ensure bystander defibrillation is effective as possible.

Automated external defibrillator, Bystander, Defibrillation, Education
0300-9572
282-288
Foster, Alexander G.
72060da3-6102-4f91-8e7d-94c0aab274b4
Deakin, Charles D.
560d993b-bbc9-4548-9990-272ed18a011d
Foster, Alexander G.
72060da3-6102-4f91-8e7d-94c0aab274b4
Deakin, Charles D.
560d993b-bbc9-4548-9990-272ed18a011d

Foster, Alexander G. and Deakin, Charles D. (2019) Accuracy of instructional diagrams for automated external defibrillator pad positioning. Resuscitation, 139, 282-288. (doi:10.1016/j.resuscitation.2019.04.034).

Record type: Article

Abstract

Introduction: Correct defibrillation pad positioning optimises the chances of successful defibrillation. AEDs have pictoral representation to guide untrained bystanders in correct pad positioning. There is a wide variation in this pictoral guidance and evidence suggests that correct anatomical pad placement is poor. We reviewed all currently available diagrams and assessed the resultant pad placement achieved by untrained bystanders following these instructions. Methods: Twenty untrained bystanders were presented with a total of 27 different pad placement diagrams (including one designed by the researchers)in a random sequence and were asked to apply them to the chest of an adult manikin. The lateral/medial and cranial/caudal position in relation to the optimal position recommended by the European Resuscitation Council guidelines was then measured for each pair of pads. Results: Overall, the sternal pad was placed an average of 6.0 mm cranial to, and 3.2 mm medial to, the optimal position. The apical pad was placed an average of 78.2 mm caudal to, and 59.3 mm medial to, the optimal position. The pad position diagram we designed and assessed out performed existing diagrams. Conclusion: All current defibrillation pad diagrams fail to achieve accurate defibrillation pad placement. A clearer, more effective diagram, such as the one we designed, is urgently needed to ensure bystander defibrillation is effective as possible.

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More information

Accepted/In Press date: 21 April 2019
e-pub ahead of print date: 5 May 2019
Published date: June 2019
Keywords: Automated external defibrillator, Bystander, Defibrillation, Education

Identifiers

Local EPrints ID: 433276
URI: http://eprints.soton.ac.uk/id/eprint/433276
ISSN: 0300-9572
PURE UUID: 0b0d2874-adcd-4098-9cab-c49e5aa371da

Catalogue record

Date deposited: 12 Aug 2019 16:30
Last modified: 07 Oct 2020 01:07

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