Ah, commas! The cause of much suffering...
1.Her left shoulder no comma
3.Nocturnal no comma
4.nonselective vs. non-selective depends on house style. I'm guessing there is no house style, so either would be fine. What matters in this case is that anyone using the transcript to aid in treating the patient understand the meaning. Medical personnel will understand either. (As I re-read this post, non-selective looks easier to read...)
5. She is a poor candidate.
I hope this helps. All best wishes.
Student or Learner