...房颤;左心耳;血流频谱;除颤 [gap=1334]Key words :Atrial fibrillation ;Left atrial appendage ;Blood flow frequency spectrum;Defibrillation ...
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Objective To learn changes in cerebral hemodynamics and characteristics of blood flow frequency spectrum of neonates with hypoxic-ischemic encephalopathy (HIE) and their clinical significance.
目的：研究缺氧缺血性脑病(HIE)患儿脑血流动力学变化及血流频谱特点，并探讨其临床意义。
They may behave as no blood flow signals and the frequency spectrum straightened.
CDFI示无血流信号或血流频谱变直。
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