Table 3.
Witnessed arrest |
Arrest to first CPR (“no-flow interval”) < 5 min |
Initial cardiac rhythm of VF/pVT/PEA |
Arrest to ECMO flow < 60 min “low flow interval* |
Good-quality CPR with ETCO2 > 10 mmHg before cannulation for ECMO |
Intermittent ROSC or recurrent VF |
“Signs of life” during conventional CPR |
The absence of severe comorbidities/malignancy |
No known aortic valve regurgitation |
ECPR, ECMO cardiopulmonary resuscitation; CPR, cardiopulmonary resuscitation; VF, ventricular fibrillation; pVT, pulseless ventricular tachycardia; PEA pulseless electrical activity; ETCO2, end-tidal carbon dioxide; ROSC, return of spontaneous circulation