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Exaggerated Electrodermal Startle Responses After Intracardiac Shock Discharges in Patients With Implanted Cardioverter Defibrillators

From the Institut und Poliklinik für Psychosomatische Medizin (K.H.L., B.M-M., B.H., J.S.), Med. Psychologie und Psychotherapie des Klinikums Rechts der Isar der Technischen Universität München; National Research Centre for Environment and Health (GSF), GSF-Institute of Epidemiology (K.H.L.); and Deutsches Herzzentrum München (I.D., S.W., C.S.), Klinik an der Technischen Universität München, München, Germany.

View larger version (19K): [in a new window]   Fig 1. Median SCRs for each of the 15 tone trials, stratified for the low shock group (<5 shocks, N = 99 patients) and the high shock group (5 shocks, N = 35 patients). The graph demonstrates significantly heightened median values for all but the first two trials. Error bars represent the 25th percentile in the low shock group and the 75th percentile in the high shock group (Mann-Whitney U test: *p < .10; **p < .05; ***p < .01).