Ok, so I've been behaving myself and doing pretty well. Still having the odd episode, but not so badly. I do wonder if it's a virus or something.... As long as I don't overdo it, all is well. If I try to walk too fast outside, I get to sit down and catch my breath. That's better than when just being up and around the house was making me out of breath. I did a lot today - transplanted some houseplants, did the dishes, did a load of laundry, vacuumed the front of the house. We'll see how tomorrow goes - if it's as it's been lately, I'll be sleeping a lot tomorrow. That doesn't sound like heart stuff. It really does sound like lung stuff, especially with this obnoxious new cough.
Whatever. I'm tired of it. Tired of being tired. It needs to get over with. So, anyway, ECG at the end of this week, appointment with cardiology at the end of next week. Thankfully, neither appointment is at the DeathStar (the new hospital with all the people getting dead from various obscure infections, including the pigeon droppings in the ventilation system). So thanks for all the advice, sorry if I worried anyone.