Having posted a few messages about my problems with skipped heartbeats and having sought others' opinions and help, I feel embarrassed bringing this issue up again. So I'll cut to the chase.
I only tend to notice skipped beats when I'm tired or have exercised. For example, I had a bad night's sleep on Saturday night and was playing football with my son on and off all yesterday afternoon. Driving home in the evening I noticed quite a lot of skipped beats and my pulse rate was up. I had the same after gardening for a couple of hours a while back.
Should I be worried?