Question: Could gastritis cause palpitations, irregular heart beats, coughing and/or shortness of breath? If not, what could? I'm a 28 year-old male and I've been in and out of ER three times in the past couple weeks due to chest pains and a number of other symptoms as listed below. Based on the blood test, EKG, X-ray, and ultrasound results, each time I was told that the problem wasn't the heart, it was something else. They said it could be gastritis, so I just want more opinions on this. Symptoms are as follows: 1)Irregular heart beats (when I feel palpitations, I put my finger on my wrist and I detect double heart beats that happen fast, then it goes back to regular rhythm). 2)Burning sensation around the chest. 3)Dry coughing. 4)Shortness of breath. 5)Sharp chest pains. 6)Upper abdominal pain (right and left side). 7)Back pain (below the left shoulder blade). 8)Anxious feeling. All of these symptoms come and go, and they happen frequently and randomly. Currently I'm on Pepcid and Bentyl (these two drugs were prescribed during my second ER visit. In my first ER visit, they prescribed me Ibuprofen).