Introduction of ventilator A ventilator is a medical device that helps to support breathing in critically ill patients. It is a life-saving device that is used in hospitals, intensive care units, and other healthcare facilities to treat patients who have trouble breathing on their own due to various reasons such as pneumonia, acute respiratory distress syndrome (ARDS), heart failure, or neurological injury. A ventilator works by delivering a controlled amount of air or oxygen into a patient's lungs through a tube that is inserted into their mouth or nose. The machine can control the pressure and flow of air to match the patient's breathing needs, ensuring that their lungs are adequately inflated. This can prevent lung injury, reduce the risk of infections, and help patients recover from their illness. There are different types of ventilators available, including invasive and non-invasive ventilators. Invasive ventilators require a tube to be inserted into the patient's airw...