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Sinus node dysfunction (SND) is a multifaceted disorder most prevalent in older individuals, but may also occur at an earlier age. In most cases, the SND diagnosis is ultimately established by documenting its ECG manifestations. EPS has limited utility. The treatment strategy is largely dictated by symptoms and ECG manifestations. Not infrequently, both bradycardia and tachycardia coexist in the same patients, along with other diseases common in the elderly (e.g., hypertension, coronary artery disease), thereby complicating treatment strategy. Prevention of the adverse consequences of both bradyarrhythmia and tachyarrhythmia is important to reduce susceptibility to syncope, falls, and thromboembolic complications. Copyright © 2021 Elsevier Inc. All rights reserved.


Neeraj Sathnur, Emanuel Ebin, David G Benditt. Sinus Node Dysfunction. Cardiac electrophysiology clinics. 2021 Dec;13(4):641-659

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PMID: 34689892

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