Parisi A F, Moynihan P F, Folland E D
Med Clin North Am. 1980 Jan;64(1):61-81. doi: 10.1016/s0025-7125(16)31625-x.
The ability of echocardiography to assess left ventricular function is entering an era of transition. Most existing data have been derived from M-mode measurements made along a single echo beam axis and, as such, were based on the assumption that the performance of the sampled segment represented that of the whole ventricle. The recent availability of two dimenensional echocardiography lessens the need to rely on this assumption.
超声心动图评估左心室功能的能力正在进入一个转型时代。大多数现有数据来自沿单一回声束轴进行的M型测量，因此，这些数据基于这样一个假设，即采样节段的表现代表整个心室的表现。最近二维超声心动图的出现减少了依赖这一假设的必要性。
