Critical care is medical care for people who have life-threatening injuries and illnesses. It usually takes place in an intensive care unit (ICU). A team of specially-trained health care providers gives you 24-hour care. This includes using machines to constantly monitor your vital signs. It also usually involves giving you specialized treatments.
Patients on an ICU will be looked after closely by a team of ICU staff and will be connected to equipment by a number of tubes, wires and cables. There will normally be 1 nurse for every 1 or 2 patients. This equipment is used to monitor their health and support their bodily functions until they recover.
You need critical care if you have a life-threatening illness or injury, such as: