High-degree atrioventricular block in a child with an ANK2 variant and long QT phenotype requiring leadless pacemaker implantation
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Ankyrin-B syndrome, which has been linked to variants in ANK2 and classified as long QT syndrome type 4, is characterised by heterogeneous arrhythmic manifestations, including sinus node dysfunction and conduction abnormalities. Clinically significant atrioven... ...
