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Table 1 BLS with the use of an AED in scenarios of persistent ventricular fibrillationThe duration of the scenario was 300 seconds

From: Quality of basic life support when using different commercially available public access defibrillators

  Time until 1st chest compression [seconds] Time until completion of 1st rhythm analysis [seconds] Duration of rhythm analysis [seconds] Time until 1st shock [seconds] Interval between 1st shock and 2nd rhythm analysis [seconds] Perishock pause [seconds] No-flow fraction
(A) Heartsave PAD 50 ± 3 I 47 ± 3D,I 13 ± 1B,C,D,F,G 63 ± 4D 138 ± 0C 12 ± 0+ 0.51 ± 0.01C,E,G,+
(B) Philips HS1§ 125 ± 2 77 ± 3C,G,H 13 ± 2A,C,D,E,F,G,H 88 ± 2C 194 ± 3 44 ± 4G 0.72 ± 0.01F
(C) Philips HS1* 103 ± 1G,+ 77 ± 3B,G,H,+ 10 ± 1A,B,D,E,F,H,I 90 ± 2B,+ 140 ± 1A 29 ± 1E,H,+ 0.52 ± 0.01A,G,+
(D) Lifeline VIEW 68 ± 3+ 48 ± 2A,I,+ 11 ± 1A,B,C,E,F,H,I 56 ± 3A,I,+ 153 ± 3 34 ± 2E,F,+ 0.61 ± 0.03+
(E) Lifepak CR Plus 81 ± 1H,+ 63 ± 1 H,+ 10 ± 1B,C,D,F,H,I 75 ± 1G,H,+ 125 ± 1G,H,I 31 ± 1C,D,+ 0.48 ± 0A,G,H,+
(F) PowerHeart G5 147 ± 1+ 93 ± 1+ 11 ± 1A,B,C,D,E,H 101 ± 1+ 183 ± 1 38 ± 1D,+ 0.71 ± 0B,+
(G) Fred Easy Life 105 ± 1C,+ 74 ± 1B,C,H,+ 15 ± 0A,B 80 ± 1E,H,+ 124 ± 1E,H,I 46 ± 0B,+ 0.50 ± 0A,C,E,+
(H) AED Plus 81 ± 3E,+ 71 ± 2B,C,E,G,+ 9 ± 1B,C,D,E,F,I 77 ± 2E,G,+ 121 ± 1E,G,I 25 ± 1C,I,+ 0.45 ± 0.01E
(I) Cardiolife AED 2100 55 ± 1A,+ 41 ± 2A,D,+ 7 ± 1C,D,H,I 48 ± 2+ 126 ± 1E,G,H 21 ± 2H 0.37 ± 0.01
(K) BLS without AED 25 ± 2       0.26 ± 0.01
  1. Values are the mean ± standard deviation. The Philips HS1 asks the rescuer to press an “info button” for detailed information about chest compressions and ventilations after each shock. The scenario was run 3 times when pressing the info button§ and 3 times without pressing the button*. A lack of statistical significance (p > 0.01) in comparison with a specific model is indicated by the identifying letter (A) – (I). +p < 0.01 against the respective parameter in the scenarios with an optimized sequence of actions