Objective
Head-upright tilt table test (HUT) is a very useful tool for the diagnosis of neurocardiogenic syncope in patients with recurrent syncope attacks. The incidence of prolonged asystole during HUT is about 20% (>3 seconds) and 10% (>5 seconds) in patients with neurocardiogenic syncope. However, there are only a few reports describing asystole lasting longer than 10 seconds. Herein, we describe a patient with frequent episodes of syncope in whom HUT was positive for a cardioinhibitory response with a prolonged asystole of 26 seconds with 1 escape beat.
Methods
A 41-year-old man was examined for two syncopal and one pre-syncopal episodes during the past 1 year. Electrocardiography and echocardiography revealed normal findings. A HUT was performed at an angle of 70 degrees with Italian protocol.