The Full form of ICU is Intensive Care Unit. An intensive care unit (ICU), also known as an intensive therapy unit or critical care unit (CCU), is a special department of a hospital or health care facility that provides intensive care, treatment, therapy and medicine. ICU provides intensive care medicines and life support to patients suffering from a serious injury, disease or illness. Intensive care units look after those patients who required constant and close monitoring by a team of specialized doctors and nurses. This team is trained in the care of critically ill or severely injured patients. If required, patients can be transferred directly in ICU from an emergency department. It is usually done if the condition of the patient deteriorates constantly. An ICU is equipped with various medical equipments, such as; Mechanical ventilators, Dialysis machine, External pacemakers, Syringe Pump, Infusion Pump, ECG (Electrocardiogram), Defibrillator, Anesthesia Machine, Blood Warmer, Patient Monitor, Feeding tubes, suction tubes etc. Some of the major injuries and illnesses that require special treatment in ICU are severe heart problems like heart attack, extreme low blood pressure, problem in respiratory system due to asthma or complicated pneumonia, accidental cases which need major surgery and immediate action, patients in Coma, liver problems and kidney failure cases which requires dialysis, after a major surgery.