Daniel, this is classic anxiety. You are 28 years old and live a healthy lifestyle. Even if you have a genetic predisposition to heart disease (i'm not saying that you do) its highly unlikely that you would have heart disease at your age.
I'm not a doctor, just a guy on the internet, so dont take this as medical advice.
When i was your age, a little older actually, early 30's, i had similar feelings. I was getting irregular heartbeats, sometimes my heart felt like it was going to explode out of my chest. I would get naseau violent vomiting, cold sweats and just a feeling of general anxiety, like the world was closing in on me. I saw multiple Drs and all concluded it was psychosomatic. My mom had died just about
6 months prior to the beginning of this, and i think it had a lot to do with it.
Anyway, i sought out a good Psychologist, and saw him for about
a year. It helped me get things under control. I still have a little more anxiety than i'd like when it comes to my health, but its more or less under control.
I would strongly urge you, assuming your tests show nothing alarming, to see a psychologist or psychiatrist. It doesn't mean your nuts. There is just likely some underlying thing on your mind that is causing this anxiety, and getting to the bottom of it, and understanding it would help you immensely. I hope you are still here and reading this thread.
Your anxiety over your health is interfering with your quality of life. This is no way for a 28 year old to live, its important for you to do something about
it. You've got a whole life ahead of you, and you are in your prime. You should be enjoying and savoring every moment, not spending it worrying that you are going to drop dead every minute.
I truly hope you think long and hard about
this and take proactive measures to address your issue.
Dx Age 64 Nov 2014, 4.3
BX 3 of 12 cores positive original pathologyG6, G6, G8 (3+5)
downgraded to 3+3=6 by Dr Epstein, JH
RALP with Dr Ash Tewari Jan 6, 2015
Post surgical pathology – G7 (3+4), ECE, Margins, LN, SV all negative
PSA @ 6 weeks 2/15, .<02, 4/15 <.02 7/15 <.02, 10/15 0.00 (new lab)
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