i am 23 and for the past month i been having really heavy pain in my chest when i lay down i also have had few episodes where i feel that my heart palpation raises and it almost look like a heart attack but after sometimes it goes away while i drink lots of water i when to the doctor few times and they did an x ray to my heart and they did not found anything out of the common they qualify it as a chest wall pain but they recommended me anti acid pills but i haven't take then because my heart is also involves with this pain issue i have had this pain previously and it gradually goes way after some times but then it comes back again this times its been with me for almost 3 weeks and a week ago i had an episode with raising palpitations and my chest start to hurt badly then it when i way i really don't now what to take i been drinking lots of water and it clams it down but when lay down it start to hurt again and i have to get up i try to exercise but the pain get worst after i do that before i started having this pain i used to exercise a lot but now it really scares me
You say your doctor does not want to run further tests, if it were me, I would insist, at least have an echo cardiogram, this will show if there is any structural damage to your heart and any blockages. This would probably help to set your mind at ease.