Choose one of the following
2. The patient was brought to the operating room, general endotracheal anesthesia was induced by the anesthesia service
This is a comma splice that can be fixed by removing the comma
This is a comma splice that can be fixed by adding the conjunction and after the comma.
This is a fragment that can be fixed by adding a verb after patient
This is a run-on that can be fixed by adding a comma after anesthesia.
The sentence is fine as it is.