System and method for detecting artifactual hemodynamic waveform data

Abstract

A system and method for cardiovascular analysis includes an implantable medical device capable of generating hemodynamic pressure waveform data based upon sensed pressure. Hemodynamic waveform data is analyzed to identify artifactual data represented in the hemodynamic waveform.

1 . A cardiovascular analysis system, comprising:
 a sensor adapted to sense a hemodynamic pressure over time in cooperation with a transmitter;   an implantable medical device for generating hemodynamic pressure waveform data based upon the hemodynamic pressure sensed; and   means for analyzing the hemodynamic waveform data to identify artifactual data represented in the hemodynamic waveform data.   
   
   
       2 . A system according to  claim 1 , wherein the means for analyzing the hemodynamic waveform data is contained in the implantable medical device. 
   
   
       3 . A system according to  claim 1  and further comprising means for generating trend data based upon the hemodynamic waveform data. 
   
   
       4 . A system according to  claim 3 , wherein the trend data is filtered based upon artifactual data identified in the hemodynamic pressure waveform data. 
   
   
       5 . A method of hemodynamic waveform data analysis, the method comprising:
 sensing a hemodynamic pressure for a pulse cycle using an implantable medical device;   generating hemodynamic pressure waveform data based upon the hemodynamic pressure sensed; and   analyzing the hemodynamic pressure waveform data for the presence of artifactual waveform data.   
   
   
       6 . A method of hemodynamic waveform data analysis, the method comprising:
 sensing hemodynamic pressure for a pulse cycle using an implantable medical device;   generating hemodynamic pressure waveform data based upon the hemodynamic pressure sensed; and   compiling trend data based upon the hemodynamic waveform data adjusted according to a presence of artifactual data, when artifactual data is present in the hemodynamic pressure waveform data.   
   
   
       7 . The method of  claim 6 , wherein the trend data is adjusted to exclude all hemodynamic pressure waveform data for a cardiovascular pulse cycle that contains artifactual data. 
   
   
       8 . The method of  claim 6 , wherein the trend data is adjusted to identify a presence of artifactual data.