'Strange quadruple rhythm': listen to the writing on the heart wall.
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Eur Heart J. 2021 Sep 21;42(36):3805. doi: 10.1093/eurheartj/ehab149.
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[Quadruple rhythm].
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Pol Tyg Lek. 1967 Apr 10;22(15):545-8.
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Impact of implantable cardioverter defibrillators on mortality in heart failure receiving quadruple guideline-directed medical therapy: a propensity score-matched study.
Sahin A, Celik A, Ural D, Colluoglu IT, Ata N, Kanik EA, Ulgu MM, Birinci S, Yilmaz MB.
BMC Med. 2024 Nov 18;22(1):539. doi: 10.1186/s12916-024-03761-w.
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Quadruple pads approach for external cardioversion of atrial fibrillation.
Marrouche NF, Bardy GH, Frielitz HJ, Günther J, Brachmann J.
The Relevance of Preventive Implantable Cardioverter-Defibrillators (ICDs) in Non-Ischemic Cardiomyopathy in the Presence of Effective Quadruple Therapy for Heart Failure: A Review of Contemporary Medical Literature.