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Ann Emerg Med. 1995 Apr;25(4):492-4.

CPR and the single rescuer: at what age should you "call first" rather than "call fast"?

Author information

1
Center for Evaluation of Emergency Medical Services, King County EMS Division of the Seattle-King County Department of Public Health.

Abstract

STUDY OBJECTIVE:

To determine whether the age-related frequency of ventricular fibrillation (VF) in cardiac arrest supports the guideline that single rescuers should "call first" for all victims of sudden collapse older than 8 years.

DESIGN:

Analysis of data on all nontraumatic cardiac arrests treated by emergency medical service (EMS) personnel in King County, Washington, between 1976 and 1992.

MEASUREMENTS:

Age, initial cardiac rhythm, witnessed versus unwitnessed status, whether patient was discharged alive.

RESULTS:

We analyzed 10,992 cardiac arrests. Initial rhythm was VF in 4,252 (40%) and non-VF in 6,740 (60%). VF frequencies were 3% (0 to 8 years old), 17% (8 to 30 years), and 42% (30 years or older).

CONCLUSION:

Most patients under age 30 were not in VF at the time of EMS evaluation. Our data suggest that a "call fast" strategy may be more effective when a single rescuer is present and the victim is between 8 and 30 years old.

PMID:
7710154
DOI:
10.1016/s0196-0644(95)70264-4
[Indexed for MEDLINE]

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