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- quantium Medical Cardiac Output (qCO) uses impedance cardiography in a simple, continuous, and non-invasive way to estimate the cardiac output (CO) and other hemodynamic parameters such as the stroke volume (SV) and cardiac index (CI). The CO estimated by the qCO monitor is referred to as the "qCO". The impedance plethysmography allows determining changes in volume of the body tissues based on the measurement of the electric impedance at the body surface. The assessment of Cardiac Output (CO) is important because it reveals the main cardiac function: the supply of blood to tissues. CO reflects the hemodynamic flow and hence the transport of oxygen; its clinical applications by non-invasive continuous hemodynamic monitoring are especially useful for some medical specialties like anaesthesiology, emergency care and cardiology, for example to prevent hypoperfusion and to guide fluid administration. Several authors advocate the high reliability and good correlation of cardiography impedance compared to others techniques more established. Nevertheless, some detractors complain about the sensitivity of the technique to artefacts such as the electromyography or breathing movements. (en)
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- Figure 2: Time relationship between the ECG, dZ and dZ/dt waveforms. The more characteristic points of the dZ/dt waveform are identified as B, which is the opening moment to the aortic valve . The C is the maximum blood flow in the left ventricle . The X reveals the closing of aortic valve and the LVET is the time interval between the opening and closure of the aortic valve, i.e., the interval between the points B and X. (en)
- Figure 1: Recommended location of the electrodes. For using the qCO it is only necessary to place the electrodes, connect it to a PC via USB and run the software. (en)
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- QCO_location.png (en)
- qCO_waves.png (en)
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- quantium Medical Cardiac Output (en)
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- estimate cardiac output (en)
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- 400 (xsd:integer)
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- quantium Medical Cardiac Output (qCO) uses impedance cardiography in a simple, continuous, and non-invasive way to estimate the cardiac output (CO) and other hemodynamic parameters such as the stroke volume (SV) and cardiac index (CI). The CO estimated by the qCO monitor is referred to as the "qCO". The impedance plethysmography allows determining changes in volume of the body tissues based on the measurement of the electric impedance at the body surface. (en)
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- Quantium Medical Cardiac Output (en)
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