IL6R and rheumatoid arthritis: Aiming for an attenuation of the systemic inflammatory response after OHCA by use of an IL-6RA, tocilizumab, we have chosen to give a single 1-h infusion of tocilizumab 8 mg/kg (maximum 800 mg) as this is the dosage used for repeated infusions in rheumatoid arthritis, an already approved indication [24].