BSL PRO 3.7.7 BSL PRO TUTORIAL - Biopac

BSL PRO Tutorial 25Part 4: AnalysisANALYSIS OVERVIEWOne advantage of saving data files to disk is that you can quickly and easilyperform post-hoc analyses of your recorded data. BSL PRO software is apowerful and flexible analytical tool designed to provide you with immediatefeedback from each operation. Using BSL PRO, you are able to...Use digital filtering and smoothing.Find patterns within data sets.Automatically find peaks and calculate rate data.Perform mathematical and statistical operations.Log results and observations to a journal.Mark events during acquisition or analysis.Transform data after it has been acquired.To get an idea of how BSL PRO provides immediate feedback, run a FindPeak function on the 4Channel.acq sample file.Adjust the display of the samplefile 4Channel.acq to view tenseconds of ECG data. Select CH 1, ECG. Hide other channels Zoom in on about tenseconds of data Autoscale the waveform asneeded.Use the I-Beam tool to select oneECG cycle, as shown in thescreen shot at right.Select CH 1 and hide the other channels by pressing Ctrl and clicking thechannel number boxes.Use the Zoom tool to examine a 10-second portion of the waveform. To centeryour display after zooming, use the Autoscale Waveforms (Vertical)command from the Toolbar or from the Display menu.Choose Analysis > Find Cycle togenerate the Find Cycle dialog.Click the Selection tab and Setthe first cursor to “CurrentPeak + (-.45) sec” and thesecond cursor to “Peak + (+.45)sec”.Note the settings in the Find Cycle dialog. BSL PRO automatically calculatesa threshold level based upon a percentage of the peak in the selection of datathat you highlighted.© BIOPAC Systems, Inc. www.biopac.com