Endotracheal intubation is a medical procedure where a tube, called an endotracheal tube (ETT), is inserted through the mouth or nose into the trachea (windpipe) to establish and maintain a clear airway, allowing for breathing support and ventilation. Here's a more detailed explanation: #Purpose:Airway Management: Endotracheal intubation is crucial for establishing and maintaining a patent (open) airway, especially in situations where a person cannot breathe on their own or is at risk of airway