That’s a tough question. It seems to me to have been a freak thing because I’ve never had a repeat of the nearly two weeks of constant pulse rhythm oddities. I’ve never had any more than an hour or two of those feelings since then, and not even once a year. Still, that’s not completely gone.
When I had that couple of weeks of weird heartbeats in '13, I was more or less eating the Zone diet. I think I’d gone down from 40-30-30 (%calories of carb-protein-fat) to maybe half the amount of carbs, but still more than keto. I eventually went keto because I kept gaining weight, even counting calories and reducing carbs, not for the cardiac thing.
The first time I saw the cardiologist he said something like, “sometimes these arrhythmia events just happen and we never know why, but most of the time we do know why”
About not producing breath ketones, “they say” that the longer you’ve been keto, the less your body wastes them. I have one of those cheap breathalyzers now as the only way I ever check ketones. It’s virtually always close to .05 no matter what I do. I never see high numbers, fasting and exercising, anything. Well, eating a lot of fat might make them go up.
