Table 3

 ECG rhythm at time of cardiac arrest (where known)

ECG rhythmNo (%)
VT, ventricular tachycardia; VF, ventricular fibrillation.
Bradycardia30 (23)
Asystole29 (22)
Tachycardia/VT/VF18 (14)
Normal9 (7)
Not indicated43 (33)