Frequency of QTc Interval Prolongation in Children and Adults with Williams Syndrome
Brink BD, Feinn R, Kozel BA, Billington CJ, Liu D, Yu E, Sindhar S, He J, Rouse C, Lampert R, Pober BR, Elder RW. Frequency of QTc Interval Prolongation in Children and Adults with Williams Syndrome. Pediatric Cardiology 2022, 43: 1559-1567. PMID: 35366065, DOI: 10.1007/s00246-022-02883-3.Peer-Reviewed Original ResearchConceptsSudden cardiac deathHeart rateBazett's formulaCardiac deathWilliams syndromeRetrospective chart reviewQTc interval prolongationBundle branch blockMean heart rateHigher heart rateChart reviewQTc prolongationInterval prolongationSinus rhythmBranch blockGeneral populationNormal rangePatientsQTcWS patientsQTcBEKGProlongationSyndromePotential causes