Yuta Chiba, Yoshino Minoura, Yoshimi Onishi, Koichiro Inokuchi, Akinori Ochi, Shiro Kawasaki, Yoshimasa Onuma, Yumi Munetsugu, Miwa Kikuchi, Hiroyuki Ito, Tatsuya Onuki, Norikazu Watanabe, Taro Adachi, Taku Asano, Kaoru Tanno, Youichi Kobayashi
BACKGROUND: Syncope is a common occurrence. The presence of J-wave, also known as early repolarization, on electrocardiogram is often seen in the general population, but the relationship between syncope and J-wave is unclear. METHODS AND RESULTS: After excluding 67 patients with structural heart disease from 326 with syncope, we classified 259 patients according to the presence or absence of J-wave (≥1 mm) in at least 2 inferior or lateral leads. Head-up tilt test (HUT) was performed for 30 min...
2015: Circulation Journal: Official Journal of the Japanese Circulation Society