intraosseous access, IO, Out of Hospital Cardiac Arrest, ACLS, cardiac arrest, Time to access, Cardiac arrest resuscitation, Cardiac arrest trends, Resuscitation Outcomes Consortium, ROC Epistry, Return of Spontaneous Circulation, ROSC
cardiopulmonary arrest, airway management, vasopressors, epinephrine
ventilation, Cardiopulmonary arrest, airway management, intubation, emergency medical services