Key result
Idiopathic VF and unexplained cardiac arrest drive substantial mortality as heterogeneous pathologies in young patients.
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“clinical differences between focal IVF and MiCM-IVF could point towards a presumptive diagnosis at initial presentation. Narrow QRS complexes (without microvoltage) suggest a higher probability of focal origin... Widened QRS complexes justify thorough investigation for myocardial abnormalities, such as optimized imaging and electrophysiological mapping; or to assess arrhythmogenicity during isoprenaline infusion,”
Idiopathic ventricular fibrillation and unexplained cardiac death represent heterogeneous conditions with significant mortality in young populations.
Unexplained cardiac death and cardiac arrest associated with idiopathic ventricular fibrillation (IVF) are heterogeneous pathologies responsible for significant mortality in young people.
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Haı̈ssaguerre et al. (2026) studied this question. Idiopathic ventricular fibrillation and associated unexplained cardiac arrest are heterogeneous pathologies responsible for significant mortality in young people.
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