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I have angina that is unstable an occurs mainly in my sleep, wakes me up and I have difficulty breathing, and so can lie awake for hours afraid of going back to sleep. My cornorary arteries are clear and a perfusion MRI last year did not find anything remarkable regarding ventricle output. I see a Consultant Cardiologist 6 monthly and he has diagonsed Cardiac Syndrome X / Prinzmetals Angina. I am not convinced this is Cardiac Syndrome X (Microvascular Angina) as this usually presents as stable angina, whereas my angina symptoms occur at rest, without any triggers and particularly when asleep. Does anyone have Microvascular Angina that is unstable rather than stable and / or Prinzmetal's Angina that produces symptoms similar to mine? I am taking Viazem XL, Ranolazine, Isosorbide and I have a GTN spray. This manages things quite well during the day, but my breathing at night and waking with chest pain 3 or 4 times a week is worrying! I have also been dianosed with Nocturnal Paroximal Dyspnea. Does any else have this along with their angina? Thank you!
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