I've been having weird and horrible heart rhythms for about 6 weeks now. Sometimes those flip-flop missing beat feelings, sometimes runs of very superfast beats followed by a gap and a large beat. In addition I have numbness in my chin and bottom lip which comes and goes, sometimes it stretches into my neck as far as my collar bone, it feels cold and tight, very unpleasant. And I'm getting a cramping pain in my left bicep. All of these are made worse by exercise but they are not always triggered by exercise. I have a numb chin now sitting here and I'm not doing anything. Sometimes the chin and arm symptoms last for hours, sometimes they come and go. The heart palpitations happen once or twice every minute on average.
I am an anxious person so I'm prepared to think this could be stress although I've never felt anything like this before. I quit smoking about 6 months ago, I drink in moderation, I'm not overweight and I have low to normal blood pressure. My cholesterol is raised at 6.2.
I am the sole carer for my daughter and worry about what this might be is making me feel more and more anxious. I've seen the GP who has referred me to a clinic but I haven't had the appointment through yet.
Could these things be stress-related or should I be more concerned that it's something sinister.
I know this is long and rambly but I really would appreciate some advice / opinions.