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  2. Pulmonary artery stenosis - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_artery_stenosis

    Pulmonary artery stenosis (PAS) is a narrowing of the pulmonary artery.The pulmonary artery is a blood vessel moving blood from the right side of the heart to the lungs. . This narrowing can be due to many causes, including infection during pregnancy, a congenital heart defect, a problem with blood clotting in childhood or early adulthood, or a genetic ch

  3. Ventricular outflow tract obstruction - Wikipedia

    en.wikipedia.org/wiki/Ventricular_outflow_tract...

    Aortic valve stenosis is the most common cause of LVOTO. Aortic valve stenosis means the aortic valve has narrowed and is not opening freely. The aortic valve opens to allow blood to flow from the left ventricle to the aorta. Stenosis here leads to a narrowing of the passage for blood to flow out of the left ventricle, thus a LVOTO.

  4. Hypoplastic right heart syndrome - Wikipedia

    en.wikipedia.org/wiki/Hypoplastic_right_heart...

    The most common heart malformations from genetic or epigenetic problems are: stenosis of the aorta and pulmonary trunk, which is a narrowing of the vessels, atrial and/or ventricular septal defect, tricuspid atresia, and hypoplastic left and right heart syndrome. When an individual has hypoplastic right or left heart syndrome, it means that ...

  5. Arterial occlusion - Wikipedia

    en.wikipedia.org/wiki/Arterial_occlusion

    Pulmonary embolism (PE) involves occlusion of a pulmonary artery by an embolus, most often a thrombus, obstructing blood flow to the lungs. [6] Impairment of pulmonary circulation leads to severe ventilation-perfusion mismatching of the lungs, [ 30 ] terminating in hypoxemia and respiratory failure .

  6. Pulmonary valve stenosis - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_valve_stenosis

    Pulmonary valve stenosis (PVS) is a heart valve disorder. Blood going from the heart to the lungs goes through the pulmonary valve, whose purpose is to prevent blood from flowing back to the heart. In pulmonary valve stenosis this opening is too narrow, leading to a reduction of flow of blood to the lungs. [1] [5]

  7. Tetralogy of Fallot - Wikipedia

    en.wikipedia.org/wiki/Tetralogy_of_Fallot

    Differences in right atrial and ventricular mechanics and liver stiffness was also observed in adults with repaired TOF, as well as pulmonary atresia and persistent pulmonary stenosis. [78] In patients with pulmonary atresia, there is complete failure of forward flow from the right ventricle to the pulmonary arterial vasculature.

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