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Inappropriate force or compression to relaxation ratio may cause volume trapping in CPR by G. Noordergraaf; J.W. Lampe; G.J. Scheffer; A. Noordergraaf is a Medicine article available to read on EtoBox.

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Posters ## S45 were asked to operate the defibrillator set on 'manual mode' in a simulated scenario, while two stand-in's performed chest compressions and ventilation. A manikin (Resusci-Anne HLR-d, Laerdal) and a defibrillator (LIFEPACK 12, Medtronic A/S, Copenhagen) were used. Pulseless ventricular tachycardia (VT) or asystole (AS) were presented randomly. The defibrillator operators were all presented with both VT and AS and asked to use two methods on the rhythms: Method one: interrupting CPR during rhythm analysis AND while charging the defibrillator, according to current guidelines. 1 Method two: CPR was continued while charging the defibrillator, paddles kept on the defibrillator. CPR was interrupted only for rhythm analysis when the charged paddles were placed on the manikin's chest and for shock-delivery (if indicated). Using a manual timer, the interval in which chest compressions were interrupted was measured. Results: The time that chest compressions were interrupted was significantly shorter using method two (median time 6.1 s [IQR 4.9-8.2]) versus method one (median time 13.6 s [IQR 7.2-18.2]), p < 0.001. Analyzing data for VT scenarios only, the interruption of chest

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Author

G. Noordergraaf; J.W. Lampe; G.J. Scheffer; A. Noordergraaf

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0300-9572)

Published

2008

Language

EN

Field

Medicine (Health Sciences)