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I am looking for the most common causes for the development of post operative low grade fever

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Hi there! Do you need the info for school or have you developed fever after a certain surgery? If the latter is the case, you may want to see your surgeon.

I know of a couple of possible reasons for post op fever.

It could be wound infection. It needs to be looked at and if inflammation had occurred, drainage is usually performed. If the fever occurs within 48 hours, it is probably due to atelectasis, which is an alveolar collapse. It happens when the airways get obstructed by bronchial secretion. It happens often that the symptoms go unnoticed. If the symptoms occur they may be low grade fever, mildtachypnoea, tachycardia, paleness and slow healing.
A person with post op low grade fever could be reacting to medications given or could have developed deep vein thrombosis, or an inflammation of the veins because of the IV’s.

There could be urinary infection, especially if the patient has been catheterized. Most of these causes lye behind 48h post op fever. If the low grade fever appears after 5 days, it is probably due to wound infection, deep vein thrombosis, or formation of intraabdominal abscesses.
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