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英文誌(2004-)

Journal of Medical Ultrasonics

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1995 - Vol.22

Vol.22 No.05

Original Article(原著)

(0349 - 0356)

左室肥大心における左室中央部の駆出血流および等容性弛緩期血流について
−心電図所見との対比検討−

Ejection and Isovolumic Relaxation Flow at the Center of the Left Ventricular Cavity in Left Ventricular Hypertrophy: Comparison with ECG Findings

上ノ町 仁, 真田 純一, 加倉 瑞子, 尾立 源晴, 山王 和寿, 三浦 剛資, 田中 康博, 有馬 暉勝

Hitoshi UENOMACHI, Jun-ichi SANADA, Mizuko KAKURA, Motoharu ODACHI, Kazuhisa SANNOU, Takeshi MIURA, Yasuhiro TANAKA, Terukatsu ARIMA

鹿児島大学第2内科

Second Department of Internal Medicine Kagoshima University School of Medicine

キーワード : Electrocardiography , Left ventricular hypertrophy, Pulsed Doppler echocardiography

Left ventricular (LV) ejection flow (EF) and isovolumic relaxation flow (IRF) at LV center were visualized by pulsed Doppler echocardiography (PDE) to determine their characteristics and compare them with changes in ECG in order to estimate degree of left ventricular hypertrophy (LVH). Conventional echocardiographic examination led to a diagnosis of LVH in 39 patients: 26 had hypertrophic cardiomyopathy, and 13 had hypertensive heart disease; 15 agematched normal controls were also studied. The patients were divided into four groups on the basis of ECG indications of severity of hypertension: group 0 had normal ECG; group 1 had high voltage (SV1+RV5≥3.5 mV); group 2 had mild ST depression (0.05 to 0.1 mV), flat T (T/R≤10%), or negative T (