Tachycardia‐induced cardiomyopathy due to dual atrioventricular nodal non‐reentrant tachycardia (RCDD code: VI‐1A‐9)

Ulyana Chernyaha-Royko, Mykhaylo Sorokivskyy, Anastasia Aker, Borys Kravchuk, Viktor Kuts, Oleg Zharinov

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Dual atrioventricular nodal non‐reentrant tachycardia (DAVNNT) is a rarely diagnosed, sustained supraventricular arrhythmia. We report the case of a 39‐year‐old female with drug‐resistant, irregular, narrow QRS complex tachycardia which gradually led to tachycardia‐induced cardiomyopathy. Previously, this arrhythmia was recognized as atrial fibrillation, with several unsuccessful attempts at pulmonary vein isolation. Only after the correct diagnosis of DAVNNT was established, successful radiofrequency ablation of the slow pathway in the atrioventricular node was performed, with complete cure of the arrhythmia. JRCD 2019; 4 (3): 59-62.


echocardiography; drug resistant arrhythmia; atrial fibrillation; electrophysiology study; ablation; rare disease


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DOI: http://dx.doi.org/10.20418%2Fjrcd.vol4no3.387


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