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Baroreflex Sequence Analysis

1. From the AcqKnowledge home screen select: Open a graph file, Graph file on Disk, and click OK
   1. This will allow you to access files directly from the T: Drive
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2. Minimize all channels except Channels 5 & 9 that correspond to CNAP Blood Pressure & ECG respectively, by clicking on the triangle icon on the left hand slide of the channel number.   Image Added
   
   
3. Using the magnifying glass tool, zoom into a small region of the CNAP Blood Pressure channel.
   
   1. Using your cursor, click on a small region in the waveform and drag. A blue selection box will appear, indicating that your are expanding/zooming into this region.
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   2. Your goal is to expand the channel waveform so that all systoles are visible.
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4. Set your initial offset time to zero seconds by choosing Display → Horizontal Axis
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5. Set first sample to 0 seconds and click OK. The horizontal axis on your window will now start at 0 seconds.
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6. Go to Analysis →Hemodynamics → and select "Baroreflex Sequence Analysis" from the options menu
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7. In the Baroreflex Sequence Analysis menu enter the following settings: 
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8. Highlight a single systole in the BP data and select "Systole Is Selected"
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9. Results are populated to an Excel Spreadsheet
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   2. Click on the show all data function key on the toolbar to align all graphs on your screen
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   4. Heart Rate/Rest Period (Channel 7)  & Systolic BP/ Rest Period (Channel 14) graphshave been added to your waveform
      
      
      

Baroreflex Slope Analysis

1. The following instructions correspond to the Baroreflex Slope Analysis
2. Minimize all channels except Channels 5 & 9 that correspond to CNAP Blood Pressure & ECG respectively, by clicking on the triangle icon on the left hand slide of the channel number.   Image Added
   
   
3. Using the magnifying glass tool, zoom into a small region of the CNAP Blood Pressure channel.
   
   1. Using your cursor, click on a small region in the waveform and drag. A blue selection box will appear, indicating that your are expanding/zooming into this region.
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   2. Your goal is to expand the channel waveform so that all systoles are visible.
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4. Using the I-Beam tool, highlight/select the entire Rest Period
   1. NOTE: You must select the entire REST PERIOD waveform before proceeding to Step 5 below. If no selection is made, the analysis data cannot be populated.
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5. Go to Analysis → Hemodynamics → and select "Baroreflex Slope Analysis" from the options menu
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6. From the Baroreflex Analysis Menu, enter the following settings & click OK:
   
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7. Highlight a single systole in the BP data and select "Systole Is Selected"
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8. Software populates Baroreflex Slope Analysis on a separate window showing HR (ms) in Y-axis and Systolic BP(mmHg) in X-axis
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   2. Note: Pairs may be excluded by checking off check boxes.
      
      
   3. Your original waveform now displays QRS complexes
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