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Choose the right defib to save lives
Survival is closely linked to the speed of shock delivery after CPR
Time to shock in seconds⁵
Interruptions of precordial compression for rhythm analysis that exceed 15 seconds before each shock compromise
the outcome of CPR and increase the severity of post-resuscitation myocardial dysfunction.³
Simply explained
Time is critical
When someone experiences a cardiac arrest, starting CPR immediately is vital. Research shows that CPR is even more effective than previously thought – especially when the heart has stopped for a longer period.
However, the success of a defibrillation shock depends largely on how quickly it’s delivered after CPR. The longer the delay between CPR and the shock, the lower the chance of restoring a heartbeat. That’s why the ability of an AED to deliver a shock quickly is a key factor in survival.
AEDs with Quick Shock technology reduce the time between stopping CPR and delivering the shock. A shock given within 10 seconds can significantly increase the chances of survival.
That’s why the European Resuscitation Council recommends a maximum “hands-off” time of 10 seconds.
In short: an AED that can deliver a shock within 10 seconds after CPR can truly make the difference. That’s why quick shock delivery is an essential feature to prioritize when choosing an AED.
Important information
Fully Automatic Defibrillators take at least 5 seconds longer than semi-automatic defibs due to the built-in countdown before shock delivery. This makes fully Auto defibs non-compliant with European Resuscitation guidelines.
Clinically explained
CPR helps
Studies have revealed that CPR is even more beneficial than previously realized, particularly for longer downtime cardiac arrest patients.¹·²
Quick Shock increases the benefits of CPR
The beneficial effect of CPR disappears rapidly once it is stopped, so time to shock after a CPR period is very important.³·⁴ Quick Shock limits the duration of the pause after CPR chest compressions, which may increase the chance a shock will result in a successful return to spontaneous circulation.⁵
Peer-reviewed research supports fast shock
Two independent articles published in Circulation support the design intent of Quick Shock. In one article, Dr. Yu et al. concluded, “Interruptions of precordial compression for rhythm analysis that
exceed 15 seconds before each shock compromise the outcome of CPR and increase the severity of post-resuscitation myocardial dysfunction.” ³ A second study by Dr. Edelson et al. similarly concluded, “The interval between discontinuation of chest compressions and delivery of a shock should be kept as short as possible.”⁴ Simply put, getting a shock to the heart quickly after CPR can aid in the return of spontaneous circulation, potentially saving more lives.⁴
References
1 Cobb LA, Fahrenbruch CE,Walsh TR, et al. Influence of Cardiopulmonary Resuscitation Prior to Defibrillation in Patients with Out-of-Hospital Ventricular Fibrillation. JAMA. 1999 Apr 7; 281(13):1182-8.
2 Wik L, Hansen TB, Fylling F, et al. Delaying Defibrillation to Give Basic Cardiopulmonary Resuscitation to Patients With Out-of-Hospital Ventricular Yu T,Weil MH,Tang W.Adverse Outcomes of Interrupted Precordial Compression During Automated Defibrillation. Circulation. 2002; 106:368-372.
4 Edelson D, et al. Resuscitation (2006), 71:137-145.
5 American Medical Resource Institute. (n.p.) ACLS: What Does ROSC Mean? Retrieved April 23, 2024 from https://www.aclsonline.us/blog/rosc/. Fibrillation:A Randomized Trial. JAMA. 2003 Mar 19; 289(11):1389-95.
References
1 Cobb LA, Fahrenbruch CE,Walsh TR, et al. Influence of Cardiopulmonary Resuscitation Prior to Defibrillation in Patients with Out-of-Hospital Ventricular Fibrillation. JAMA. 1999 Apr 7; 281(13):1182-8.
2 Wik L, Hansen TB, Fylling F, et al. Delaying Defibrillation to Give Basic Cardiopulmonary Resuscitation to Patients With Out-of-Hospital Ventricular Yu T,Weil MH,Tang W.Adverse Outcomes of Interrupted Precordial Compression During Automated Defibrillation. Circulation. 2002; 106:368-372.
4 Edelson D, et al. Resuscitation (2006), 71:137-145.
5 American Medical Resource Institute. (n.p.) ACLS: What Does ROSC Mean? Retrieved April 23, 2024 from https://www.aclsonline.us/blog/rosc/. Fibrillation:A Randomized Trial. JAMA. 2003 Mar 19; 289(11):1389-95.
References
1 Cobb LA, Fahrenbruch CE,Walsh TR, et al. Influence of Cardiopulmonary Resuscitation Prior to Defibrillation in Patients with Out-of-Hospital Ventricular Fibrillation. JAMA. 1999 Apr 7; 281(13):1182-8.
2 Wik L, Hansen TB, Fylling F, et al. Delaying Defibrillation to Give Basic Cardiopulmonary Resuscitation to Patients With Out-of-Hospital Ventricular Yu T,Weil MH,Tang W.Adverse Outcomes of Interrupted Precordial Compression During Automated Defibrillation. Circulation. 2002; 106:368-372.
4 Edelson D, et al. Resuscitation (2006), 71:137-145.
5 American Medical Resource Institute. (n.p.) ACLS: What Does ROSC Mean? Retrieved April 23, 2024 from https://www.aclsonline.us/blog/rosc/. Fibrillation:A Randomized Trial. JAMA. 2003 Mar 19; 289(11):1389-95.
All information on this page is extracted from the
Philips brochure LC2272-013-122 Quick Shock, the HeartStart advantage.
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The graphic and all clinical information on this page is extracted from the Philips Brochure LC2272-013-122 Quick Shock, the HeartStart advantage, as published by Philips.
The text under simply explained is created by AED360-ProCardio.
AED360-ProCardio, an authorised distributor of Philips HeartStart AED’s, advises all visitors of this website to read the entire content of forementioned brochure as well as all References mentioned in the brochure.
Should you have any question concerning this information, please reach out to us via email.