There are various types of pulmonary hypertension (PH) but the root of the disease is the same.
According to Living With PH and the NHS, the human body has several pulmonary arteries (blood vessels that take blood to your lungs). Pulmonary hypertension is what happens when these arteries became more narrow, leading to high blood pressure which can damage your lungs and the right side of your heart.
When those pulmonary arteries narrow, they also harden, which reduces blood flow. With less blood flowing to a specific part of the heart, the right ventricle (RV) has to work much harder to make sure you can breathe. Due to this extra work, the RV slowly weakens which can eventually lead to heart failure.
If you have PH, you can feel tired and dizzy and have difficulty breathing. You may also experience palpitations, chest pain and swelling in several parts of your body. All these symptoms are directly linked to a lack of normal blood flow to your heart and lungs.
However, and this is important, with certain types of PH, like pulmonary arterial hypertension (PAH), you may not feel any of these symptoms until your condition is in a much more advanced stage.
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