ArticleCureus2025
Ventricular Fibrillation From Spontaneous Coronary Artery Dissection in a Patient With Atrioventricular Nodal Re-entrant Tachycardia: Rationale for Implantable Cardioverter Defibrillator Therapy.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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3 authors.
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Abstract
Ventricular fibrillation (VF) management requires identification of the underlying cause and consideration of implantable cardioverter defibrillator (ICD) therapy; these decisions are complicated when the aetiology is unclear. We present a 41-year-old woman with lifelong atrioventricular nodal re-entrant tachycardia (AVNRT) who experienced cardiac arrest secondary to VF. Multimodality cardiac imaging identified features suggestive of spontaneous coronary artery dissection (SCAD) with transient vessel healing but a new apical scar. Given the scar-related arrhythmogenic substrate, risk of SCAD recurrence, and prior AVNRT episodes degenerating into polymorphic ventricular tachycardia (PMVT), a single-chamber ICD was implanted. This case highlights the need to avoid diagnostic anchoring on the pre-existing arrhythmia as the cause for cardiac arrest and demonstrates the value of imaging in identifying SCAD as the cause and in guiding ICD decision-making.
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