Table 2 Inclusion and exclusion criteria from ELSO consensus statement [18]

Age < 70 years

Received bystander CPR within 5 min

Initial cardiac rhythm of ventricular fibrillation/ventricular tachycardia/pulseless electrical activity

Arrest to ECMO flow < 60 min

End-tidal carbon dioxide > 1.3 kPa (10 mmHg)

Intermittent ROSC or recurrent VF

Absence of life limiting comorbidities

No known aortic valve incompetence