Patent · US Expired

Cardiac monitoring

US7194300B2 · kind B2 · utility

123Cited by
11References
31Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 21, 2004
Grant dateMar 20, 2007
Priority date
Expiry dateJun 12, 2024

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61N1/395
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Systems and techniques for monitoring cardiac activity. In one aspect, a method includes collecting information describing the variability in heart rate over a series of beats, designating variability at a lower end of physiological values as being largely irrelevant to atrial fibrillation, designating variability in a midrange of physiological values as being indicative of atrial fibrillation, designating variability in an upper range of physiological values as being negatively indicative of atrial fibrillation, and determining a relevance of the variability described in the collection to atrial fibrillation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.