Fasting before surgery
During operations, when full anesthesia is used, the patient falls asleep completely so that he does not feel pain. In addition to this, most of the time, it is intubated to keep the breathing completely under control. In such cases, the patient is sedated by relaxing the buccal cords and inserting the tube into the throat without problems.
However, tranquilizers also relax the muscles of the stomach and intestines. As a result, the contents of the stomach may recede to the throat because the patient is lying down, which is dangerous. In fact, liquids and food can clog the lungs and cause breathing problems. The true distress, however, is caused by the acidity of the gastric juices. Gastric juice is highly acidic to facilitate digestion, and if it reaches the lungs from the throat, it can burn the lungs.
Therefore, this is the real cause of fasting operations, since there will be no acid urine in the stomach when fasting, and the lungs will not be damaged during intubation of the patient.
Although in principle it is not foreseen to intubate the patient during the operation, it is advisable to be fasting so that doctors can sedate and intubate the patient in the face of possible problems.
In emergency cases, however, patients are usually not fasting, in which case doctors must perform the intubation maneuver very quickly so that the contents of the stomach do not reach the lungs.
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