Demos
   
  White Devagus-Despike  
     
 

White Devagus-Despike is a powerful algorithm which can remove noise from the cardio signal.

Devagus

The rate of oxygen intake, or breathing, affects the way in which the heart behaves. The more regular the breathing the more the heart becomes 'tuned' to the breath rate. This effect, known as the vagus effect, may make it difficult to correctly interpret the cardio trace. Devagus, removes the effects of the breathing from the cardio signal, thereby making the interpretation of the cardio more accurate and easier to score.

Despike

Muscle twitches, premature and skipped heartbeats and deep breath inhalations are examples of physiological responses which may cause a brief spike to occur in the cardio signal. The Despike feature can remove these spikes and frequently improves the accuracy of chart analysis significantly. If a chart has too many such spikes, it is generally not recommended to keep this chart and running White Devagus-Despike cannot repair charts with multiple sequential spikes.

Devagus-Despike

The combination of Devagus and Despike provides for a great improvement in the scoreability of a chart and an overall increase in the accuracy chart analysis algorithms. This feature is available in our current release version 3.0. Previous versions have Devagus only. To receive an upgrade to the newest version please download our windows request form.

Below are a few samples before and after the application of White Devagus-Despike.

  
     
  Sample 1a – Before Chart (Click on images for a larger view)  
     
   
     
  Sample 1b – Chart 1a after White Devagus-Despike has been run  
     
   
     
  Sample 2a – Before Chart  
     
   
     
  Sample 2b – Chart 2a after White Devagus has been used
  
     
   
     
     
  White Balance  
     
 

The White Balance algorithm examines the entire chart to select the best gain set and centering settings. White Balance considerably improves the examiners ability to hand score charts by optimizing the trace display settings.


This feature is useful on messy charts where the signals tend to drift off the screen or into one another such as in charts 3a and 4a below:

  
     
  Sample 3a – Before White Balance  
     
   
     
  Sample 3b – Chart 3a after White Balance has been run  
     
   
     
  Sample 4a - Before White Balance  
     
   
     
  Sample 4b - Chart 4a after White Balance has been run  
     
   
     
     
 
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