Coronary circulation, cerebral circulation, and pulmonary circulation are special types of circulation in the body, playing a very important role in human life.

Hyperglycemia or hypoglycemia is a common disorder in intensive care units in both diabetic and non-diabetic patients. Uncontrolled hyperglycemia/hypoglycemia can be a cause of death in ICU patients.

A burn is an injury to the skin or other organic tissue caused primarily by heat or by radiation, radiation, electricity, friction, or chemical contact. Radiation from the sun, heat can come from direct contact with fire, hot liquids or hot objects, and sometimes hot gases.