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Definition of Pulmonary stenosis

  • Medical Author:
    William C. Shiel Jr., MD, FACP, FACR

    Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.

Pulmonary stenosis: A condition in which the pulmonary valve is too tight, so that the flow of blood from the right ventricle of the heart into the pulmonary artery is impeded. This means that the right ventricle must pump harder than normal to overcome the obstruction. Treatment is necessary if the pressure in the right ventricle is higher than normal. Treatment involves eliminating the obstruction by a procedure called balloon valvuloplasty or by surgery.

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