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doi: 10.1016/j.jemermed.2006.08.004 [PubMed] 21970774 Mullins ME, Vitkovitsky IV

10.1038/s41571-020-00462-0 33 ChenX.ZehH

Jiang T, Christian P, Khatry SK, et al

These are characterized by a regular, narrow-complex rhythm, often with AV dissociation or retrograde P waves appearing shortly after the QRS complex
