Table 1 Demographic factors in the total study cohort
From: Electrocardiographic changes in therapeutic hypothermia
Age (years) | 63 ± 14 |
|---|---|
Male/female | 60 (74%)/21 (26%) |
Index arrhythmia | |
Ventricular fibrillation | 56 (69%) |
Nonventricular fibrillation (pulseless electrical activity/asystole) | 25 (31%) |
Heart rhythm at hospital arrival | |
Sinus rhythm | 56 (69%) |
Atrial fibrillation | 18 (22%) |
Atrial flutter | 1 (1%) |
Atrioventricular nodal rhythm | 6 (8%) |
Underlying condition | |
Myocardial infarction | 45 (56%) |
Asphyxia/aspiration | 5 (6%) |
Pulmonary embolism | 5 (6%) |
Chronic obstructive pulmonary disease | 2 (3%) |
Brugada syndrome | 1 (1%) |
Myocarditis | 1 (1%) |
Severe aortic valve stenosis | 3 (4%) |
Advanced heart failure | 2 (3%) |
Unknown | 17 (21%) |