Key result
Short QT syndrome carries heightened arrhythmia risk diagnosed by ESC criteria or Modified Gollob Score.
Why the study?
Short QT syndrome is a rare inherited arrhythmia with diagnostic criteria including QTc shortening and associated clinical features, but implications for pacing strategy in pediatric SQTS type 2 with sinus node dysfunction and atrial fibrillation are not well defined.
Case Report
Discusses diagnostic criteria and pacing strategy implications for pediatric patients with short QT syndrome type 2.
Answers are grounded in this paper and cite their sources.
Case reports suggest refined diagnostic and pacing approaches in pediatric short QT syndrome type 2; leaves open confirmation in larger cohorts.
Short QT syndrome (SQTS) is a rare, inherited arrhythmia characterized by shortened QT intervals on electrocardiogram (ECG) and an increased risk of both atrial and ventricular arrhythmias.1 The 2022 European Society of Cardiology diagnostic criteria include a QTc ≤360 ms in the presence of additional features, such as a pathogenic mutation, family history of SQTS, or documented survival from a ventricular tachycardia/ventricular fibrillation in the absence of structural heart disease. 2 Another form of diagnostic criterion is the Modified Gollob Score, which is a point-based scoring system assigned to the ECG findings (QTc <370 ms and the J point-to-T peak interval), family and medical history, along with genetic findings.
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Magpantay et al. (2026) conducted a case report in Short QT syndrome (SQTS). Short QT syndrome is a rare inherited arrhythmia characterized by shortened QT intervals and increased arrhythmia risk, diagnosed via European Society of Cardiology criteria or Modified Gollob Score.
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