TY  - GEN
AU  - De Maio,V J
AU  - Stiell,I G
AU  - Wells,G A
AU  - Spaite,D W
TI  - Cardiac arrest witnessed by emergency medical services personnel: descriptive epidemiology, prodromal symptoms, and predictors of survival. OPALS study group
SN  - 0196-0644
PY  - 2000///0218
KW  - Adult
KW  - Age Factors
KW  - Aged
KW  - Aged, 80 and over
KW  - Ambulances
KW  - Cohort Studies
KW  - Confidence Intervals
KW  - Electric Countershock
KW  - Emergency Medical Technicians
KW  - Female
KW  - Heart Arrest
KW  - epidemiology
KW  - Humans
KW  - Logistic Models
KW  - Male
KW  - Middle Aged
KW  - Nitroglycerin
KW  - therapeutic use
KW  - Odds Ratio
KW  - Prognosis
KW  - Prospective Studies
KW  - Resuscitation
KW  - Risk Factors
KW  - Survival Analysis
KW  - Tachycardia, Ventricular
KW  - mortality
KW  - Time Factors
KW  - Unconsciousness
KW  - Vasodilator Agents
KW  - Ventricular Fibrillation
N1  - Publication Type: Comparative Study; Journal Article
ER  -