This defibrillator device has been set to synchronized “SYNC” mode This defibrillator device has been set to synchronized “SYNC” mode. Note the arrows pointing to each QRS complex. Source: PROCEDURES, Atlas of Cardiovascular Emergencies Citation: Lefebvre C, O'Neill JC, Cline DM. Atlas of Cardiovascular Emergencies; 2015 Available at: http://accessemergencymedicine.mhmedical.com/DownloadImage.aspx?image=/data/books/1206/lefebvre_ch9_fig-09-24.png&sec=72944322&BookID=1206&ChapterSecID=72944219&imagename= Accessed: December 22, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved