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Noninv Cardiac Output Sensor – MP3X

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Noninv Cardiac Output Sensor, BSL
Part #: SS31L

The SS31L noninvasively records the parameters associated with Cardiac Output measurements. The SS31L incorporates a precision high frequency current source, which injects a small (400 µA rms @ 100 kHz sine wave) current through the measurement tissue volume defined by the placement of a set of current source electrodes. A separate set of monitoring electrodes then measures the voltage developed across the tissue volume. Because the current is constant, the voltage measured is proportional to the characteristics of the biological impedance of the tissue volume.

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Part #: SS31L
Categories: Transducers - Education, Transducers - Research
Subcategories: Cardiac Output - Education, Cardiac Output - Research

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Use the SS31L to measure changes in Cardiac Output under a variety of conditions: laying down, sitting up, standing up, and post-exercise. Use the Kubicek equation to determine Stroke Volume and Cardiac Output. To use the SS31L for respiration measurements, observe the associated variation in the Impedance Magnitude “Z” signal.

The SS31L simultaneously measures Impedance Magnitude (Zo; labeled “Z” on the module) and Derivative of Impedance Magnitude (dZ/dt; labeled “DZ” on the module). Use with EL506 Bioimpedance Strip Electrodes, and use on stationary subjects—the SS31L is sensitive to motion artifact.

See BSL PRO Lesson H21 Impedance Cardiography for sample SS31L setup and data.

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