Left ventriculography demonstrasted AHCM with the apical "spade" changes in 126 cases, The positive rate was 85.7%.

左心室造影示12 6例左心室舒张期形态均呈“黑桃”样改变，诊断阳性率85 .7%。

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Color m mode Doppler echocardiography studies were obtained from mitral valve orifice toward the apex: the rate of flow propagation velocity (FPV) from apical 4 chamber views.

将m型取样线置于二尖瓣口左室流入道至心尖获取彩色左室舒张期血流传播图测量fpv。

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