Manual do usuário HP (Hewlett-Packard) CD Leycom CFL-512

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®
Leycom CFL-512 and Conduct NT





CD Leycom September 2004

























®

The LEYCOM Cardiac Function Lab CFL-512 facilitates the on-line

measurement and analysis of ventricular pressure and volume signals in clinical

setting. The pressure and volume signals are obtained using a combined

conductance and pressure catheter. The CFL-512 acquires and displays these

signals on-line and continuously. The signals are digitized, stor

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CFL-512 Conduct NT – for clinical evaluation only A Microsoft Windows based acquisition, display and analysis ® program has been developed for the Leycom CFL-512. The ® Leycom CFL-512 is the clinically approved system for quantitative cardiac function assessment in humans. The new program, Conduct NT, replaces and radically improves upon the old DOS based 'Conduct 2000' for the ® Leycom CFL-512. Features • Dyssy

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CFL-512 Conduct NT – Analyse Recorded Data Conductance Catheter Settings Match the catheter with the actual heart size, exclude individual segments and optimize the dual field setting. Rho measurement The Rho cuvette is used to measure blood resistivity from a blood sample. Blood resistivity is required for the calibration of the volume measurements. The Rho cuvette is connected to the connector on the right side of the CFL-512. When the

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CFL-512 Conduct NT – Analyse Recorded Data Select data file Retrieve previously acquired data files for subsequent analysis. The comment and some file characteristics are displayed in the list. Pressure-volume analysis The end-systolic and end-diastolic PV points are indicated with markers (blue and green lines). Appropriate (user-selected) functions can be fitted through these points taken and varying pressures and volumes to calculate c

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CFL-512 Highlights u Hardware Software Console Conduct NT • Pentium, 1 GHz with 256 Mb RAM • Real-time display • Dedicated hardware for: various display modes Acquisition of external signals variable time-base Communication with patient module • Several filters Patient module battery management • Data acquisition • Monitor, NEC Multisync XP 1750 automatic file naming • Data storage, 40 GB harddisk attached comments • 250 Mb Zip drive 250 samples/sec, 12 bit accuracy 8 in