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Improving Cardiopulmonary Resuscitation Quality and Resuscitation Training by Using Real-Time Audiovisual-Assisted

Jerin Varghese1, Abin Thomas1, Bharath S Prasad1

  • 1Department of Emergency Medicine, Amrita Institute of Medical Sciences, Kochi, IND.

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Summary

Audiovisual feedback devices significantly improve cardiopulmonary resuscitation (CPR) quality for laypersons. These tools help non-medical caregivers achieve optimal chest compression rates, enhancing survival chances during cardiac emergencies.

Keywords:
audiovisual devicescardiac arrestcprfeedback devicesnon medical care providers

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Area of Science:

  • Emergency Medicine
  • Cardiovascular Health
  • Medical Education Technology

Background:

  • Out-of-hospital cardiac arrest is a major global cause of mortality, particularly in developing nations.
  • Survival rates are low, emphasizing the need for effective immediate interventions by laypersons.
  • Limited research exists on audiovisual feedback devices for improving CPR quality among non-medical caregivers.

Purpose of the Study:

  • To evaluate the impact of audiovisual feedback devices on CPR quality performed by non-medical care providers.
  • To determine if these devices enhance the chest compression rate and overall CPR performance.

Main Methods:

  • A prospective observational study involving 146 non-medical participants (18-50 years) at a medical college hospital.
  • Participants performed CPR on a mannequin, with and without audiovisual feedback devices.
  • Statistical analysis included McNemar's Chi-square test and kappa statistic to compare compression rates.

Main Results:

  • 74.7% of participants achieved good CPR outcomes (indicated by a green light on the device).
  • Chest compression rates significantly improved from 95 to 117 per minute with audiovisual feedback (p=0.011).
  • Audiovisual devices aided in maintaining optimal compression rates (100-120/min).

Conclusions:

  • Audiovisual feedback devices significantly enhance CPR compression rates among non-medical care providers.
  • These devices are effective tools for improving the quality of CPR delivered by laypersons.
  • Widespread use of such technology could improve outcomes for out-of-hospital cardiac arrest victims.