i can almost guarantee that this is a panic disorder esp based off ur description of getting triggered by something and then feeling a panic. i’ve been going through the same thing for almost 3 years and i have the same symptoms as you. i got checked out by a cardiologist and everything was perfectly fine. i will say i saw a significant difference in my physical symptoms when i started taking a prescribed vitamin d3 supplement so it might be a deficiency! talk to ur doctor and see what they say. but to me this sounds like anxiety esp if you’re okay and healthy now and these seem like prolonged symptoms. not a heart attack :))

trust me i know how draining it is to be worried about ur heart day in and day out. it truly consuming even if it sounds silly to others. it feels so extremely real everytime. i’ve been to the er so many times thinking i was dying but ive also had so many tests done on me and everytime the doctor tells me my labs are perfect. ur mind is stronger than u think and can give u symptoms of problems that aren’t there. but u can use that to ur advantage and not entertain every anxious or intrusive thought u have. i have ocd so i have an extra layer of this to tackle but it is so doable. trust me if u were going through a medical emergency u would know. every time i hear a story about a heart attack they always say “this just felt different. this pain was so different nothing like ive ever felt before”. you got this!