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  2. Pulmonary hypertension - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_hypertension

    According to WHO classification there are 5 groups of PH, where Group I (pulmonary arterial hypertension) is further subdivided into Group I' and Group I'' classes. [10] [11] The WHO classification system in 2022 (with adaptations from the more recent ESC/ERS guidelines shown in italics) can be summarized as follows: [4] [11] [12]

  3. Chronic thromboembolic pulmonary hypertension - Wikipedia

    en.wikipedia.org/wiki/Chronic_thromboembolic...

    Chronic thromboembolic pulmonary hypertension. Chronic thromboembolic pulmonary hypertension (CTEPH) is a long-term disease caused by a blockage in the blood vessels that deliver blood from the heart to the lungs (the pulmonary arterial tree). These blockages cause increased resistance to flow in the pulmonary arterial tree which in turn leads ...

  4. Pulmonary arterial hypertension - Wikipedia

    en.wikipedia.org/.../Pulmonary_arterial_hypertension

    Pulmonary Arterial Hypertension (PAH) is a syndrome in which the blood pressure in the pulmonary arteries and pulmonary arterioles (the blood vessels located proximal to the capillary bed, the site of oxygen exchange in the lungs) is elevated. This pre-capillary pulmonary artery pressure being elevated is essential, and by definition a mean ...

  5. Pulmonary embolism - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_embolism

    Pulmonary embolism (PE) is a blockage of an artery in the lungs by a substance that has moved from elsewhere in the body through the bloodstream (embolism). [ 6 ] Symptoms of a PE may include shortness of breath, chest pain particularly upon breathing in, and coughing up blood. [ 1 ] Symptoms of a blood clot in the leg may also be present, such ...

  6. Hypertension - Wikipedia

    en.wikipedia.org/wiki/Hypertension

    t. e. Hypertension, also known as high blood pressure, is a long-term medical condition in which the blood pressure in the arteries is persistently elevated. [11] High blood pressure usually does not cause symptoms itself. [1] It is, however, a major risk factor for stroke, coronary artery disease, heart failure, atrial fibrillation, peripheral ...

  7. Pulmonary Hypertension Association - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_Hypertension...

    The Pulmonary Hypertension Association (PHA) is a 501 (c) (3) nonprofit organization that provides support, education, advocacy, and awareness association for pulmonary hypertension. It provides information to the public about the illness and acts as a support group for those with the disease, providing medical provider location services and ...

  8. Antihypertensive - Wikipedia

    en.wikipedia.org/wiki/Antihypertensive

    Antihypertensive. Antihypertensives are a class of drugs that are used to treat hypertension (high blood pressure). [1] Antihypertensive therapy seeks to prevent the complications of high blood pressure, such as stroke, heart failure, kidney failure and myocardial infarction. Evidence suggests that reduction of the blood pressure by 5 mmHg can ...

  9. Polycyclic aromatic hydrocarbon - Wikipedia

    en.wikipedia.org/wiki/Polycyclic_aromatic...

    Bottom: atomic force microscopy image. A polycyclic aromatic hydrocarbon (PAH) is a class of organic compounds that is composed of multiple aromatic rings. The simplest representative is naphthalene, having two aromatic rings, and the three-ring compounds anthracene and phenanthrene. PAHs are uncharged, non-polar and planar.