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Updated: Aug 14, 2026

Utilizing the Modified T-Maze to Assess Functional Memory Outcomes After Cardiac Arrest
Published on: January 5, 2018
Citizen response to cardiopulmonary emergencies
W H Montgomery1, D D Brown, M F Hazinski
1Straub Clinic and Hospital, Inc., Honolulu.
For adult cardiac arrest, call emergency medical services (EMS) first before starting CPR. For pediatric respiratory arrest, provide one minute of CPR before calling EMS to improve survival rates.
Area of Science:
- Emergency Medicine
- Cardiology
- Pediatric Resuscitation
Background:
- Prompt defibrillation is critical for adult sudden cardiac death survival.
- Lay rescuer CPR often delays emergency medical services (EMS) activation and defibrillation.
Purpose of the Study:
- To recommend optimal emergency response strategies for sudden cardiac arrest and respiratory arrest.
- To emphasize the importance of timely EMS activation for improved patient outcomes.
Main Methods:
- Review of established resuscitation guidelines and survival data.
- Analysis of typical lay rescuer response patterns in emergency situations.
Main Results:
- Adults with sudden cardiac arrest benefit most from immediate EMS activation ('phone first').
- Children experiencing respiratory arrest benefit from initial rescue support before EMS activation ('phone fast').
Conclusions:
- The 'phone first' strategy is recommended for adult cardiac arrest to minimize defibrillation delay.
- The 'phone fast' strategy is recommended for pediatric respiratory arrest, acknowledging evolving EMS infrastructure.
Related Concept Videos
Introduction Cardiac Emergencies
Cardiopulmonary Resuscitation I: Adult
Cardiopulmonary Resuscitation II: ACLS Airway Management
Cardiopulmonary Resuscitation III: AED Use
Cardiopulmonary Resuscitation IV: Pharmacological Management
Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques

