In-hospital cardiac arrest rhythm analysis by anesthesiologists: a diagnostic performance study
Jordan Bailly1, Clement Derkenne2, Florian Roquet3,4
1Anesthesiology and Critical Care Department, Edouard Herriot Hospital, Lyon, France. jordan.bailly21@gmail.com.
Canadian Journal of Anaesthesia = Journal Canadien D'Anesthesie
|October 26, 2022
Summary
Anesthesiologist-intensivists demonstrated high accuracy in identifying shockable cardiac arrest rhythms like ventricular tachycardia and coarse ventricular fibrillation during simulations. However, their ability to correctly identify non-shockable rhythms, specifically pulseless electrical activity, needs improvement.
Area of Science:
- Critical Care Medicine
- Emergency Medicine
- Cardiology
Background:
- In-hospital cardiac arrest carries significant morbidity and mortality, with limited long-term survival.
- Accurate and timely interpretation of cardiac rhythms is crucial for effective resuscitation.
- Anesthesiologist-intensivists play a key role in managing cardiac arrest events in hospital settings.
Purpose of the Study:
- To evaluate the diagnostic performance of anesthesiologist-intensivists in differentiating between shockable and non-shockable cardiac rhythms.
- To assess the sensitivity and specificity of their rhythm interpretation skills.
- To analyze decision-making times during simulated cardiac arrest scenarios.
Main Methods:
- A multicentre, prospective, observational study using a simulation-based approach.
- 179 anesthesiologist-intensivists participated in the study between May 2019 and March 2020.
- Participants' decisions to shock or not shock were analyzed to calculate sensitivity and specificity.
Main Results:
- Overall median sensitivity was 88% and specificity was 86%.
- Excellent sensitivity (100%) was observed for ventricular tachycardia and coarse ventricular fibrillation.
- Specificity for pulseless electrical activity was 83%, indicating room for improvement.
Conclusions:
- Anesthesiologist-intensivists showed rapid and effective rhythm analysis in a simulated environment.
- High sensitivity for shockable rhythms (VT, coarse VF) was confirmed.
- Specificity for non-shockable rhythms, particularly pulseless electrical activity, was insufficient and requires further attention.
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