CAvent-Ventilation During Advanced Cardiopulmonary Resuscitation in Out-of-hospital Cardiac Arrest- an Observational Study is a registry-stage clinical asset sponsored by Uppsala University in Out-of-Hospital Cardiac Arrest, Pulmonary Ventilation. SEO and diligence focus: Fluxmed GrH portable pneumotachograph, endpoint relevance, enrollment feasibility, competitive positioning, readout timing and IP durability.