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Images in paediatrics
Unexpected ventricular tachycardia following acoustic provocation during electroencephalography
  1. Hannes Sallmon,
  2. Sven C Weber,
  3. Felix Berger,
  4. Joachim C Will
  1. Department of Pediatric Cardiology, Charité - Universitätsmedizin Berlin, Berlin, Germany
  1. Correspondence to Dr Joachim C Will, Department of Pediatric Cardiology, Charité - Universitätsmedizin Berlin, 13353 Berlin, Germany; achim.will{at}

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A 4-year-old girl underwent electroencephalography (EEG) in an outside hospital due to several episodes of recurrent syncope suspected to be due to generalised seizures. Previous EEG studies, cranial MRI, echocardiography and ECG revealed normal results. Notably, episodes were reported to follow emotional stress or frightening events. Following noise provocation during EEG, the child developed bidirectional/polymorphic ventricular tachycardia (VT), which degenerated to ventricular fibrillation (VF), accompanied by hypoxic changes in the EEG (figure 1). After defibrillation and …

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  • Contributors HS wrote the manuscript. All authors contributed to patient care and edited the manuscript for important intellectual content.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.