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  2. Pulmonary vein stenosis - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_vein_stenosis

    Pulmonary vein stenosis can be congenital or acquired. [6]A rare abnormality that accounts for 0.4% of congenital heart diseases, congenital pulmonary vein stenosis results from the common right or left pulmonary vein failing to integrate into the left atrium (LA) during the vessel's embryonic development, obliterating the pulmonary veins partially or completely on one or both sides.

  3. 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]

  4. 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.

  5. 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

  6. Patent ductus arteriosus - Wikipedia

    en.wikipedia.org/wiki/Patent_ductus_arteriosus

    Patent ductus arteriosus (PDA) is a medical condition in which the ductus arteriosus fails to close after birth: this allows a portion of oxygenated blood from the left heart to flow back to the lungs from the aorta, which has a higher blood pressure, to the pulmonary artery, which has a lower blood pressure.

  7. Persistent left superior vena cava - Wikipedia

    en.wikipedia.org/wiki/Persistent_left_superior...

    In anatomy, a persistent left superior vena cava is the most common variation of the thoracic venous system. [1] [2] It is present in between 0.3% and 0.5% of the population, [3] [4] [5] and is an embryologic remnant that results from a failure to involute.

  8. Anomalous pulmonary venous connection - Wikipedia

    en.wikipedia.org/wiki/Anomalous_pulmonary_venous...

    Total anomalous pulmonary venous connection, also known as total anomalous pulmonary venous return, is a rare cyanotic congenital heart defect in which the pulmonary veins drain into the right side of the heart instead of the left, as is usually seen. This can happen within the heart (intracardiac) where it drains into the coronary sinus or ...

  9. List of diseases (P) - Wikipedia

    en.wikipedia.org/wiki/List_of_diseases_(P)

    Pulmonary supravalvular stenosis; Pulmonary surfactant protein B, deficiency of; Pulmonary valve stenosis; Pulmonary valves agenesis; Pulmonary veins stenosis; Pulmonary veno-occlusive disease; Pulmonary venous return anomaly; Pulmonaryatresia intact ventricular septum; Pulmonic stenosis with Café au lait spot

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