Table 1.

Criteria for inclusion.

Inclusion criteria	Exclusion criteria
• Witnessed cardiac arrest with a probable cardiac cause. (Ventricular fibrillation, tachycardia, asystole and pulseless electrical activity)	• Terminal illness, strongly in need of nursing
• Advanced medical life support within 15 minutes	• Primary coagulopathy
• Return of spontaneous circulation within 60 minutes	• Prehospital fluid load >2000 ml
• Comatose when admitted to the hospital, (Glasgow Coma Score 3)
• Age 18-80 years