Isoproterenol stress test during cardiac catheterization unmasked dynamic bulbo-ventricular foramen restriction in a 5-year-old boy with bidirectional Glenn anastomosis for tricuspid atresia/transposed great arteries and unexplained syncope.
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Isoproterenol Challenge Unmasking Dynamic Bulbo-Ventricular Foramen Restriction.
Pediatr Cardiol
February 2022
Department of Pediatric Cardiology and Pediatric Cardiac Surgery, Children's Hospital, CHU Nantes, Nantes, France.
Isoproterenol stress test during cardiac catheterization unmasked dynamic bulbo-ventricular foramen restriction in a 5-year-old boy with bidirectional Glenn anastomosis for tricuspid atresia/transposed great arteries and unexplained syncope.
View Article and Find Full Text PDFIdentification of interventricular septum precursor cells in the mouse embryo.
Dev Biol
February 2007
Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA.
Little is known about the formation of the interventricular septum (IVS), a central event during cardiogenesis. Here, we describe a novel population of myocardial progenitor cells in the primitive ventricle of the mouse embryo, which is characterized by expression of lysozyme M (lysM). Using LysM-Cre mice we show that lysozyme expressing cells give rise to the IVS and to a part of the left ventricular free wall, demonstrating that these heart regions are developmentally related.
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