Left ventricular ejection meter
作者： Heule James E , Gaard Richard C
DOI:
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摘要: A meter for measuring the heart left ventricular ejection characteristic. The includes a circuit emphasizing phase preferentially to other beat phases. According preferred embodiment, is provided which emphasizes signals of blood volume waveform sensed by pulsed light, source, photoelectric probe in range about 3.75 6.75 hertz.
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