Enhanced display of physiological waveforms

Details Enhanced display of physiological waveforms Enhanced display of physiological waveforms

A - Human Necessities

61

B

326/12

A61B 5/04 (2006.01) A61B 5/0432 (2006.01) A61B 5/046 (2006.01) A61N 1/39 (2006.01)

Patent

CA 1095994

?75 ?ag ?76 ENHANCED DISPLAY OF PHYSIOLOGICAL WAVEFORMS Abstract of the Disclosure A system for the enhanced display OF event markers in time-related association with physiological waveforms displayed on cathode ray tubes which use a recirculating memory to provide a refreshed display. The event is marked in the displayed waveform by an intensification of the normal trace determined by the time-related occurrence of the event and comprises a first modulation of the displayed waveform. A secondary event- controlled modulation of the primary modulated display serves to further enhance and accurately identify the occurrence and timing of the event marker in the display. This enhanced display of event markers is further utilized to distinguish a marker of one type from a marker of another type utilizing particular data coding in the memory and appropriate detection logic for recover- ing data from memory. The enhanced display is particularly useful for clearly marking events occuring in timed-relationship with a patient's cardiac cycle.

287935

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