This three-arm, cluster-randomized pilot study with crossover was conducted in 4 EMS services in Ontario, Canada. This pilot study sought to determine the feasibility and safety of a full scale RCT comparing these defibrillation strategies with standard care while also providing some outcome data on efficacy of VC and DSED on refractory VF. Vector change defibrillation = switching pads from the anterior-lateral to anterior-posterior position Two alternative defibrillation strategies have been proposed, despite variability in execution and quality of evidence:ĭouble sequential external defibrillation = 2 rapid sequential shocks given via 2 defibrillators with pads attached in 2 different planes Let's discuss the potential of DSD and share our thoughts on the need for further studies to validate its efficacy. Join the conversation and use the hashtags #DSD and #cardiacarrest Please see the research below.This small pilot study suggests that vector change defibrillation (VC) and double sequential external defibrillation (DSED) are safe and feasible for termination of refractory ventricular fibrillation (VF) and improve the rate of ROSC. However, the continuity of research in this developing advanced treatment must be improved to ensure positive outcomes and save more lives. Overall, DSD has the potential to have a significant impact on patients in cardiac arrest. (2022) that highlights potential risks in using "double sequential external defibrillation (DSED) case series and individual case reports demonstrating conflicting outcomes for patients treated with DSED for refractory VF." However, there is a recent study by Drennan et al. The Pros and Cons of Double Sequential Defibrillation in Cardiac Arrest TreatmentĪlthough DSD is a relatively new approach and has limited research, some studies have shown that it could be promising in restoring a normal heart rhythm and improving survival rates for patients with refractory ventricular fibrillation (RVF). It is a last resort procedure used when other treatments have failed, to revive a normal heart rhythm. However, in some cases, traditional defibrillation treatments may not be effective, which is where Double Sequential Defibrillation (DSD) comes into play.ĭSD is a breakthrough technique that involves administering two sets of defibrillation shocks in rapid succession to patients experiencing cardiac arrest. Advanced Life Support in Obstetrics(ALSO)ĭouble Sequential Defibrillation: A Promising Technique for Restoring Normal Heart Rhythm in Cardiac Arrest Patients, but Is It Safe? Double Sequential Defibrillation: An Alternative Treatment for Cardiac ArrestĬardiac arrest is a serious condition that demands immediate attention to restore a normal heart rhythm.Prehospital Trauma Life Support (PHTLS).Emergency Nurses Pediatric Course (ENPC).Pediatric Emergency Assessment, Recognition and Stabilization (PEARS).Pediatric Advanced Life Support - Heartcode Complete (Online). ![]()
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