Prompt and aggressive control of fever is crucial in preventing malignant arrhythmias.8 Skinner et al12 report a case of a young child presenting similarly with febrile seizures who was subsequently diagnosed with Brugada syndrome, a diagnosis that was crucial in her case as it revealed a SCN5A mutation in her as well as her family members. The gene discussed is SCN5A; the disease is Brugada syndrome.