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Pulmonary Hypertension - What it is

lung illustration

Pulmonary hypertension refers to high blood pressure in the lungs. It is a complex health condition and a relatively rare disease that affects people of different ages and ethnic groups.

The rare lung disorder occurs when the blood pressure in the pulmonary arteries rises far above normal levels and the walls of the pulmonary arteries become thicker. There are many different types of pulmonary hypertension and sometimes, the cause is unknown.

The detailed pulmonary hypertension processes are:

  1. Vasoconstriction or narrowing of the blood vessels of the lungs slow down the blood flowing through the lungs where it picks up oxygen
  2. Proliferation or scarring of the blood vessel walls causes them to stiffen and become thicker, further restricting the blood flow
  3. These changes make it more difficult for blood to circulate back through the lungs, causing added stress to the heart as it pumps harder to overcome the resistance

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