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Atkinson, Elizabeth; Mikysa, Bridget; Conway, Jeffrey A.; Parker, Morgan; Christian, Karla; Deshpande, Jayant; Knilans, Timothy Kevin; Smith, Jacqueline; Walker, Carolyn; Stickney, Ronald E.; Hampton, David R.; Hazinski, Mary Fran
Annals of emergency medicine, August 2003, 2003-Aug, 2003-08-00, 20030801, Letnik: 42, Številka: 2Journal Article
Study objective: The rhythm detection algorithms of automated external defibrillators have been derived from adult rhythms, and their ability to discriminate between shockable and nonshockable rhythms in children is largely unknown. This study evaluates the performance of 1 automated external defibrillator algorithm in infants and children and evaluates algorithm performance with anterior-posterior versus sternal-apex lead placement. Methods: We enrolled pediatric patients in a critical care unit, an electrophysiology laboratory, and a cardiac operating room. A monitor-defibrillator recorded ECGs by means of standard defibrillation-monitor pads. Selected 15-second rhythm samples were played into a LIFEPAK 500 automated external defibrillator, and the automated external defibrillator “shock/no shock” decision was documented. To determine sensitivity and specificity, the automated external defibrillator decision was compared with the “shockable” versus “nonshockable” rhythm classification provided by 3 expert clinicians who were blinded to the automated external defibrillator decision. Results: We recorded 1,561 rhythm samples from 203 pediatric patients (median age 11 months; range, day of birth to 7 years). The automated external defibrillator recommended a shock for 72 of 73 rhythm samples classified as coarse ventricular fibrillation by expert review (sensitivity 99%; 95% confidence interval CI 93% to 100%); and correctly reached a “no shock advised” decision for 1,465 of 1,472 rhythm samples classified as nonshockable by experts (specificity 99.5%). Specificity was 99.1% (95% CI 97.8% to 99.8%) with the sternal-apex lead and 99.4% (95% CI 98.1% to 99.9%) with the anterior-posterior lead. Conclusion: This automated external defibrillator algorithm has high specificity and sensitivity when used in infants and children with either sternal-apex or anterior-posterior lead placement. Ann Emerg Med. 2003;42:185-196.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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