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Long QT Syndrome: LQT3 Variant Presenting in a Bradycardic Newborn
Catarina Afonso1, Débora A Mendes2, Rita V Queirós3
1Family Medicine, USF (Unidade de Saúde Familiar) Afonsoeiro, Unidade Local de Saúde do Arco Ribeirinho, Montijo, PRT.
Cureus
|January 27, 2025
Summary
Long QT Syndrome (LQTS) is a rare genetic disorder affecting heart repolarization. This case report details a newborn diagnosed with LQT3, a rare variant, highlighting early detection challenges.
Area of Science:
- Cardiology
- Genetics
- Pediatrics
Background:
- Long QT Syndrome (LQTS) is a rare inherited cardiac channelopathy.
- It is characterized by prolonged ventricular repolarization, increasing the risk of malignant arrhythmias.
- Current management includes lifestyle modifications, beta-blockers, and sometimes implantable cardioverter-defibrillators (ICDs).
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