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Cardiac and respiratory monitoring appts. - has alarm cct. responsive to critical frequencies and to disturbance of either pick-up
Cardiac and respiratory monitoring appts. - has alarm cct. responsive to critical frequencies and to disturbance of either pick-up
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机译:心脏和呼吸监测设备。 -有警报CCT。响应临界频率和任一拾音器的干扰
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摘要
The apparatus includes first and second pick-ups each attached to the patient, with the first pick-up producing signals representing a first respiratory condition and cardiac activity, while the second pick-up produces a second respiratory activity representing signal. The signals are fed to processing and evaluating circuitry which is operative to produce warning and alarm signals in the event of a variation in the frequency of either the respiratory or cardiac signals deviating from predetermined values by more than a predetermined degree. The second pick-up may be a thermistor positioned in the patients respiratory flow passage, and provided with means for producing a warning signal if asphyxiation occurs.
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