What is ICU?

ICU: Intensive Care Unit - provides a high level of specialist care immediately after surgery.
www.heartchild.info/cha/index.php

ICU: Intensive Care Unit. The ward in the hospital where very ill patients are monitored very closely. Typically, the patient-staff ratio is very low and the life-saving equipment used is very advanced.
www.idph.state.ia.us/patient_safety/glossary.asp