I think it's a great thing you are signed off.....theres a BIG silver lining to this.....you can read, relax, do what you like, watch daytime rubbish if you like and look after yourself. Not often we get the chance to do that ey !
You know besides all the rest of the malarkey you are experiencing , Ga and anxiety and surgery and so on...you HAVE got a chest infection. You deserve some time off.