Hey Rich,
I used to check my pulse constantly. I didn't have any diagnosed condition or anything but my heart kept beating like crazy and skipping beats for no particular reason, like it would feel like it'd stopped then there'd be a big thump and it was off again. I later realised that this was caused by my breathing funny when I was worried about it!
The thing is that I'm still here now typing this. My heart never stopped. Well not yet anyway.
If you think that all you are doing by checking your pulse is making something happen. You're putting your body into 'fight or flight' mode. At the end of the day, if your heart actually stops you're gonna know about it. Checking your pulse is not gonna help.
Did the doctor say your heart thing is life threatening? I've never heard of it.
Assuming it's not and it's just that your heart gets a bit fast sometimes then you have nothing to worry about except the worry itself.
I used to think "right, this has happened hundreds of times and I'm still here." Then make myself wait it out at least ten minutes at which point sometimes I would check my pulse but eventually I was just like "right, it's been ten minutes and I'm not dead so therefore nothing drastic is happening." and calm down a bit. Then wait another 10mins and watch some telly or something to chill out a bit.
I know you don't have the panic thing as such but you could try and use this. I don't know anyone else who does this but it worked for me.
Just make yourself wait it out in blocks of 10mins or whatever. Eventually you'll feel silly for worrying.
Having said that I do still check my pulse sometimes. I did it yesterday and I couldn't find one! Nearly gave myself a panic attack over nothing! I'm still here.
Thank you for replying to my post in anxiety by the way. I know it's a bit hypocritical to give out advice when I'm not sorted myself, but I have managed my panic attacks and stuff so I'm getting there!
Also someone posted in anxiety that your heart might actually be healthier from having a bit of a workout!
Well hope any of that helps...