Aug 1, 1995

Chest compression and ventilation rates during cardiopulmonary resuscitation: the effects of audible tone guidance

Academic Emergency Medicine : Official Journal of the Society for Academic Emergency Medicine
M M MilanderGordon A Ewy

Abstract

To determine: 1) whether chest compressions during CPR are being performed according to American Heart Association (AHA) guidelines during cardiac arrest; and 2) the effect of an audio prompt to guide chest compressions on compliance with AHA guidelines and hemodynamic parameters associated with successful resuscitation. An observational clinical report and laboratory study was conducted. A research observer responded to a convenience sample of cardiac arrests within a 300-bed hospital and counted the rate of chest compressions and ventilations during CPR. To evaluate the effect of an audio prompt on CPR, health care providers performed chest compression without guidance using a porcine cardiac arrest model for 1 minute, followed by a second minute in which audio guidance was added. Chest compression rates, arterial and venous blood pressures, end-tidal CO2 (ETCO2) levels, and coronary perfusion pressures were measured and compared for the two periods. Twelve in-hospital cardiac arrests were observed in the clinical part of the study. Only two of 12 patients had chest compressions performed within AHA guidelines. No patient had respirations performed within AHA guidelines. In the laboratory, 41 volunteers were tested, with 66% ...Continue Reading

  • References17
  • Citations107

Mentioned in this Paper

Cues
Basic Cardiac Life Support
American Heart Association
Best Practices
Transducers, Pressure
Hemodynamics
Clinical Skill
Single-Masked Study
Personnel, Hospital
Cardiac Arrest

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