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  1. Pulmonary Stenosis | Congenital Heart Disease - Cove Point …

    Dec 7, 2020 · However, if there is also a need to widen the outflow tract of the right ventricle, a transannular patch may be required. This patch covers part of the wall of the right ventricle as well as …

  2. Pulmonary Stenosis

    However, if there is also a need to widen the outflow tract of the right ventricle, a transannular patch may be required. This patch covers part of the wall of the right ventricle as well as widening the …