1-Malignant hyperthermiaA type of allergic reaction (probably with a genetic basis) that can occur during general anesthesia in which the patient experiences a high fever, the muscles become rigid,and the heart rate and blood pressure fluctuate.
2- causes of postoperative fever
1st day reactionary or atelectasis2nd-3rd day atelectasis
4th-5th day wound infection
5th-6th day thrombophlebitis
6th-7th day residual abscess
7th-8th day DVT
-Another classification
intraoperativetransfusion reaction
malignant hyperthermia
preexisting infection
2-fever within the first 24 hrs
atelectasis
streptococcal wound infectionNEC
aspiration pneumonitis
-3-fever 24-72 hrs
pneumonia
catheter related sepsis
aspiration pneumonitis
4-fever after 72 hrs
pneumonia
UTI
wound infection
thrombophlebitis