I think what you're describing might be the post operative cognitive dysfunction POCD. The symptoms I experienced in the weeks following the surgery are described in POCD literature, but this is not the complete list, as it doesn't include tremor, balance and coordination issues, muscle weakness, and insomnia.

(i) Learning and memory: ability to learn and recall new information
(ii) Language: comprehension or expression
(iii) Perceptual motor: visual perception and coordination
(iv) Social cognition: insight and recognition of emotions
(v) Complex attention: sustained, divided or selective attention and speed of processing
(vi) Executive function: planning, decision-making and flexibility
(vii) Delirium: an acutely fluctuating disturbance in attention, awareness and cognition developed over a short period of time