defibrillator; hyperbaric chamber; SARS-CoV-2 vaccine; abstract report; adult respiratory distress syndrome; alcohol intoxication; antibiotic sensitivity; article; artificial ventilation; Belgian cardiac arrest registry; bladder perforation; carbon monoxide intoxication; cerebrovascular accident; CHA2DS2-VASc score; coronavirus disease 2019; DRESS syndrome; emergency health service; emergency medical dispatcher; emergency ward; eosinophilia; Escherichia coli; esophagus dilatation; extracorporeal oxygenation; gallbladder perforation; health care organization; heart arrest; hemipelvectomy; human; hyperbaric oxygen therapy; hypofibrinogenemia; ICU triage; imaging; ketoacidosis; Leriche syndrome; leukocytoclastic vasculitis; methanol poisoning; out of hospital cardiac arrest; outcome assessment; pancreatitis; patient registry; pregnant woman; resuscitation; return of spontaneous circulation; Streptococcus pneumoniae; surgical drainage; urinary tract infection; veno-arterial ECMO; waterpipe tobacco