| Recruiting | N/A | 20 | Europe | ER-REBOA catheter, Aortic balloon occlusion, REBOA | Queen Mary University of London, East Anglian Air Ambulance, Rosetrees Trust, The Dowager Countess Eleanor Peel Trust, The Drummond Foundation | Out-Of-Hospital Cardiac Arrest, Cardiac Arrest, Cardiac Arrhythmia, Ventricular Fibrillation, Ventricular Arrythmia, Pulseless Electrical Activity | 01/26 | 04/26 | | |