An ICU nurse, or an Intensive Care Unit nurse, is a specialized registered nurse who is responsible for providing care to critically ill patients. Here are some of the duties of an ICU nurse: Monitoring patients' vital signs: An ICU nurse must continuously monitor and record patients' vital signs, including heart rate, blood pressure, oxygen saturation, and respiratory rate. They must be able to quickly recognize any changes and take appropriate action. Administering medications: ICU nurses administer medications as prescribed by the physician, including intravenous medications, blood products, and other treatments. Assessing patients' needs: ICU nurses must perform a comprehensive assessment of each patient to determine their physical and emotional needs. They must be able to identify changes in the patient's condition and adjust the care plan accordingly. Collaborating with other healthcare professionals: ICU nurses work closely with physicians, respiratory therapis...