Wilson N, Dickinson D F, Goldberg S J, Scott O
Br Heart J. 1984 Oct;52(4):462-4. doi: 10.1136/hrt.52.4.462.
In 12 patients with ductus arteriosus a characteristic velocity pattern in the pulmonary artery was identified using pulsed Doppler echocardiography. This pattern, which was absent in 52 normal control subjects and 200 consecutive patients with cardiac lesions other than ductus, consisted of a pandiastolic velocity directed away from the transducer. This pattern is thought to represent the diastolic component of flow into the pulmonary tree which occurs as a result of the left to right shunt.
在12例动脉导管未闭患者中，使用脉冲多普勒超声心动图在肺动脉中识别出一种特征性速度模式。这种模式在52名正常对照受试者和200例连续的除动脉导管未闭外的心脏病变患者中不存在，其特征是整个舒张期存在背离换能器的血流速度。这种模式被认为代表了由于左向右分流导致的进入肺循环的舒张期血流成分。
