Critical care nurses play a vital role in the management of patients who are critically ill, unstable, or at risk of developing life-threatening complications. They work in intensive care units, emergency departments, cardiac care units, trauma units, and other specialized areas where patients require continuous monitoring and advanced nursing care. Their role involves not only providing direct patient care but also supporting families, coordinating with the healthcare team, preventing complications, and promoting patient safety. One of the most important responsibilities of a critical care nurse is continuous assessment and monitoring of the patient. Critically ill patients can deteriorate rapidly, so nurses regularly assess vital signs such as temperature, pulse, blood pressure, respiratory rate, oxygen saturation, and neurological status. They monitor cardiac rhythms, fluid balance, urine output, laboratory values, and other physiological parameters. Any significant change is promptly recognized and communicated to the medical team. Critical care nurses provide specialized interventions according to the patient's condition and treatment plan. They administer medications accurately, including intravenous drugs, antibiotics, analgesics, sedatives, and vasoactive medications. They manage intravenous lines, urinary catheters, drains, and other invasive devices while maintaining strict aseptic techniques. Nurses also assist with procedures such as endotracheal intubation, central line placement, blood transfusion, and emergency resuscitation. Respiratory care is another important area of responsibility. Critical care