Prolonged Asystole During Head-up Tilt Test: A Case Report and Overview

CASE REPORT, February 2011, VOL I ISSUE III, ISSN 2042-4884
10.5083/ejcm.20424884.22 , Cite or Link Using DOI
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Yahya Islamoglu, MD, Musa Cakici, MD, Hayri Alici, MD & Vedat Davutoglu, MD

INTRODUCTION

The head-up tilt (HUT) test is a standard diagnostic test that is widely accepted in the evaluation of patients with recurrent syncope of unknown etiology. Prolonged asystole during the HUT test is rarely encountered in patients with neurocardiogenic syncope. The incidence of prolonged asystole in patients with neurocar-diogenic syncope is 18% (>3 seconds) and 9.1% (>5 seconds) (1-3). According to our knowledge, there have been few reports related to prolonged asystole longer than 30 seconds during the HUT test (4-8). Asystole lasting for approximately 30 seconds during a HUT test was observed in the present case, which was presented due to its rarity, and we review the importance and prognostic significance of prolonged asystole during HUT.