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. Author manuscript; available in PMC: 2022 May 1.

Published in final edited form as: Circ Arrhythm Electrophysiol. 2021 Apr 9;14(5):e009393. doi: 10.1161/CIRCEP.120.009393

Figure 4. — Initial Rhythms at EMS Arrival for Witnessed WHO-defined SCD by Sex and Race. Initial rhythms at EMS arrival for witnessed WHO-defined SCD (N = 120) by sex and race. An initial rhythm of pulseless electrical activity (PEA, 24% vs. 9%; p=0.03) was more common in women while men were more likely to be found in ventricular tachycardia/ventricular fibrillation (VT/VF) (43% vs. 14%; p<0.01). There were no significant racial differences in initial presenting rhythms.

EMS indicates emergency medical service; PEA, pulseless electrical activity; SCD, sudden cardiac death, VF, ventricular fibrillation; VT, ventricular tachycardia; WHO, World Health Organization

*Normal sinus rhythm (ST-elevation myocardial infarction), sinus bradycardia/tachycardia (ST-elevation and Non ST-elevation myocardial infarction), atrial fibrillation/flutter (ST-elevation myocardial infarction)

Figure 4. — Initial Rhythms at EMS Arrival for Witnessed WHO-defined SCD by Sex and Race. Initial rhythms at EMS arrival for witnessed WHO-defined SCD (N = 120) by sex and race. An initial rhythm of pulseless electrical activity (PEA, 24% vs. 9%; p=0.03) was more common in women while men were more likely to be found in ventricular tachycardia/ventricular fibrillation (VT/VF) (43% vs. 14%; p<0.01). There were no significant racial differences in initial presenting rhythms.

EMS indicates emergency medical service; PEA, pulseless electrical activity; SCD, sudden cardiac death, VF, ventricular fibrillation; VT, ventricular tachycardia; WHO, World Health Organization

*Normal sinus rhythm (ST-elevation myocardial infarction), sinus bradycardia/tachycardia (ST-elevation and Non ST-elevation myocardial infarction), atrial fibrillation/flutter (ST-elevation myocardial infarction)