Final answer:
The key differential diagnoses for fever, HTN, and dysrhythmias in the immediate postoperative period include infection, pulmonary embolism, myocardial infarction, and fluid overload.
Step-by-step explanation:
The key differential diagnoses for fever, HTN, and dysrhythmias in the immediate postoperative period include:
- Infection
- Pulmonary embolism
- Myocardial infarction
- Fluid overload
These potential diagnoses should be considered and evaluated by healthcare professionals to determine the underlying cause of the patient's symptoms.