Abstract
A B S T R A C T S junctional bradycardia and regained consciousness. Short-term of second degree atrioventricular block was observed before normal sinus rhythm. Dual-chamber pacemaker with rate drop response was implanted to the patient. His further clinical course was uneventful. Conclusions: Prolonged asystole during HUT has been proposed to identify a distinct subgroup of patients with neurocardiogenic syncope. Management including permanent pacemaker implantation might be performed for prevention of syncope. Physicians should be aware of potential complications such as prolonged asystole during HUT.
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