How do you say I’m not qualified I have 34 years experience of which 32 years in OR, a year and a half in CVOR

It is easier to say you are not a "good fit" or you are "not qualified" than to say you are too expensive.

Anesthesia is managing the pt in the OR. The tasks of a nurse in the OR are very different from those of a bedside nurse. The experience with med management, changes in stability of the patient different. OR always gas an MD in charge of care while the nurse at the bedside has to be able to assess changes and symptoms to communicate to MD.
The two areas are not interchangeable either from OR to bedside or bedside to OR. Both require a full orientation