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  • Title: [Sinus node dysfunction in a "healthy heart" in an infant. A case report].
    Author: Lahidheb D, Fehri W, Smiri Z, Gharbi M, Barakett N, Haouala H, Guediche M.
    Journal: Tunis Med; 2002 Dec; 80(12):793-6. PubMed ID: 12664508.
    Abstract:
    Sinus node dysfunction (SND) is a rare cause of bradycardia in children without structural heart disease. However the association between (SND) and abnormality of atrio-ventricular conduction, is more uncommon. We report a case of a child 23 months old, admitted in the cardiology department for a symptomatic bradycardia. Routine ECG and 24-h-Holter monitoring showed atrioventricular junctional rhythms with minimal rates of 24 bpm and episodes of asystole with a maximal duration of 3.7 seconds. The children was implanted with a permanent VVIR mode pacemaker to relieve his symptoms. During a follow-up period of four years, the child developed syncope, the epicardial pacing lead was broken and atrioventricular block was observed. A second pacemaker was inserted by a subclavicular vein, and was programmed in VVIR mode.
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