2 bad nobody replied on this topic. I've been suffering from the same chvs for almost 20years. I've been hospitalized for it, have studied it for years but still I can't control it.
It's your brain getting used to the inbalance between O2 and CO2. I can't really explain it well cuz english isn't my native tongue. Like me, you probably are aware of your breathing 24/7 and it feel laboured. And you have a constant air hunger, like you can't get enough to satisfy the needs of your organs. I always think I have heart failure when my chvs is at it's worse. But with heart faillure you get fluid build up and terrible shortness of breath when lying down. If your brain and body gets used to the excessive amount of o2 inhaled it get's totally out of balance. You get palps just by standing up, tingling sensation, feelings as if you're breathing through a straw or derealization/depersonalisation as if your soul is leaving
your body. It won't physically harm you but you're body thinks it's in danger, so chronic hyperventilation syndrome most of the times goes accompanied with panic attacks or agorapobhia where you avoid places where you've got the bad attacks (like in shopping malls or at the cinema) , I personally can't do a lot of sports cuz that triggers all my symptoms and I feel very bad afterwards and get anxiety. If this sounds a bit the same as your story here's what you can do. You should seek help, and I can tell you that most shrinks are just golddiggers who don't care about your welbeing. People who don't walked a mile in your shoes and who are giving you advice are not likely to have the answers. Talk to fellow sufferers, try things that make you feel good. Yoga experts tend to experiment with their breathing and they try to provoke hyperventilation (one said to me that he was jealous cuz I was able to get the depersonalization, a thing he tried hard to achieve. I told him he shouldn't be lol) Another thing you could do is watch a few of your favorite movies in a row and notice that you stopped thinking about your breathing when you were into the movie) say to yourself that you now know you aren't physically ill cuz if you would have a heart ailment it wouldn't go away with distraction. After you've calmed yourself try to distract yourself as much as you can from your breathing; it's hard at first, cuz when you bend over and pick up something, you might need to gasp for air and bam, it's back in your head. That's your body that was addicted to the O2 build up in your brain. But 02 has nothing to do with breathing reflex, that's the CO2! Quite complicated all that, but to sum it up: I'm still battling, but every day I try to put my focus on the things that are happening around me, my two beautiful kids for instance and try to avoid paying attention to the inside. You could have called me a human scanner some years ago, I was always checking my body. But my doc said we had millions and millions of cells, in every body there are some that misfire, people like us with chvs are extra sensitive to changes or the slightest bit of pain, we need to distract ourselves and RESET our brain in order to go back to where we were before we got this 'illness'. Hope you're doing well now!