COVID-19 CPR NASA task load index NSTE-ACS OHCA ROSC STEMI Team Emergency Assessment Measure (TEAM) VA-ECMO aspirin birth asphyxia bundle of care cardiac arrest cardiopulmonary resuscitation chest wall injury controlled trial critical illness assessment eCPR extracorporeal circulation extracorporeal life support family presence flail chest heparin hypoxic–ischemic encephalopathy (HIE) intensive care ischemia-reperfusion mechanical microgravity mortality n/a