Why the study?
Does direct current shock to the atrioventricular junctional tissue modify atrioventricular conduction in patients with refractory supraventricular tachycardia?
Does direct current shock to the atrioventricular junctional tissue modify atrioventricular conduction in patients with refractory supraventricular tachycardia?
Direct current shock delivered via a conventional electrode wire can modify atrioventricular conduction in patients with refractory supraventricular tachycardia, though it may necessitate permanent pacing.
DC shock to AV junction may alter conduction in refractory SVT but often requires pacing; hypothesis-generating for non-surgical ablation.
We describe a technique for interruption/modification of atrioventricular conduction using a direct current shock delivered from a defibrillator to the atrioventricular junctional tissue by means of a conventional electrode wire. The method was used in three patients with refractory supraventricular tachycardia. After the procedure two patients received an atrioventricular sequen- tial pacemaker.
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Critelli et al. (1983) studied this question.
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