 [ Symptoms ] it is possible for a pinched nerve in the shoulder to have symptoms similar to a heart attack  i went to the er with what i thought was a heart attack chest pain and numbness in the left arm after two days of tests i was told by a cardiologist and a neuologist that i had a pinched nerve in my neck i cannot find any relationship for the two is this diagnosis correct i have since switched cardiologist i go every six months for a check up and annually for a nuclear stress test so far all is good [ Disease ] hi this may be due to severe gastritis or and stomach ulcer you should consult a gastroenterologist and get upper gastrointestinal endoscopy done to see whats wrong take antacids appetizers and pro bitotics thanks