[O1-9-2] 一般演題　O1-9-2　計測－その他－循環器・消化器・その他

[O1-9-2-6] Effect of stenotic lesion length on the acoustic characteristics of shunt murmur

^○Yoshimasa Shin'e¹, Tomoko Oku², Shinobu Yamauchi², Yuka Motohashi², Toshio Sato^1,2 (1.Graduate School of Engineering, Toin University of Yokohama, 2.Faculty of Biomedical Engineering, Toin University of Yokohama)