My Husband Has Twice Gone To The Er With A

My husband has twice gone to the Er with a little pressure feeling in his chest chest X-ray's EKG blood test all normal Bp and Pulse good he has also having a problem with bloating stomach really bloated that it feel tight they gave hia a probiotic and Prilosec he ALS has to take deep breaths what do you think he does have an appointment with his doc YYYY@YYYY