“…Being accessible, approachable, 16,81,82 friendly, and knowledgeable 16 enables CCONs to have key roles in supporting nurses' and junior doctors' decision-making by sharing their knowledge and skills 37,82,83 and building ward nurses' confidence in managing deteriorating patients. 81,83 Many interventions performed by the CCOS relate to communication and education 8,36 and include patient and family advocacy, which may comprise of assisting the team with early decision-making regarding patient treatment limitations and transition to end-of-life care. 80,84e87 Cross et al 88 identified nurses new to CCOS need clinical supervision, role clarification, understanding how to deal with personal issues, dedicated time for reflection, and debriefing.…”