Preoksügeneerimist

Preoksügeneerimist, also known as preoxygenation, is a process used in medicine to increase the amount of oxygen in a person's lungs before a medical procedure, most commonly anesthesia. The goal is to create an oxygen reserve in the body, which can help prevent hypoxemia, or dangerously low blood oxygen levels, if breathing is interrupted or becomes insufficient during the procedure. This is typically achieved by having the patient breathe a high concentration of oxygen, usually 100%, for a period of time, often several minutes, before the airway is manipulated or ventilation is compromised. Various methods can be used for preoxygenation, including a non-rebreather mask, a tight-fitting mask with a reservoir bag, or even by simply having the patient breathe pure oxygen through a nasal cannula, though this is less effective. The duration and method of preoxygenation are often tailored to the individual patient and the anticipated procedure. Effective preoxygenation is considered a crucial step in ensuring patient safety during anesthesia induction and other procedures where airway control or breathing may be temporarily compromised.