This is a condition where there is high blood pressure in your vessels that carry blood to the lungs, and that leads to dizziness, breathing shortness, and tiredness.
Lesi yisimo lapho kunomfutho wegazi ophakeme emithanjeni yakho ethwala igazi uye emaphashini, futhi okuholela kusiyezi, ukuphefumula ngokushesha, nokukhathala.