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A narrow wide-complex surprise
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DOI：10.1016/j.hrtlng.2025.102720.png)
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Abstract
En 中文
Herein, we present a 65-year-old woman with recurrent palpitations and a wide complex tachycardia consistent with atriofascicular (Mahaim) tachycardia. We review Mahaim pathway physiology, embryologic basis, characteristic ECG features, and key electrophysiologic study findings that guide diagnosis and ablation strategy.
Keywords:
Mahaim tachycardia
Atriofascicular pathway
Wide complex tachycardia
ECG interpretation
M potential
Decremental accessory pathway