Have you had your Thyroid checked lately? I had similar symptoms to yours, choking easily on food, flu like symptoms, heart beat thumping etc and turned out I was Hyperthyroid. It was easily fixed with medication, but did take awhile to get 100%. Just a thought, hope it helps.
Been living with Crohn's Disease for 33 years. Currently on Asacol, Prilosec, Estrace, Prinivil, Diltiazem, Percoset prn for pain, Zofran, Phenergan, Probiotics, and Calcium. Resections in 2002 and 2005. Also diagnosed with Fibromyalgia and Osteoarthritis. Currently my Crohns is in remission.