Guidance Critical care escalation management of large unplanned increases in demand (WHC/2016/049) (expired) Letter to health professionals about guidance on managing surges on demand on critical care services. Part of: Health circulars: 2015 to 2017 and Critical care (Sub-topic) First published: 30 January 2017 Last updated: 25 June 2024 Related Health and social care strategy (Sub-topic)Critical care escalation guidance (WHC/2024/027)