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Method for mapping a heart using catheters having ultrasonic position sensors

  • US 20020045810A1
  • Filed: 02/14/2001
  • Published: 04/18/2002
  • Est. Priority Date: 07/20/1993
  • Status: Active Grant
First Claim
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1. A method of constructing a cardiac map of a heart having a heart cycle comprising:

  • (a) bringing an invasive probe into contact with a location on a wall of the heart;

    (b) determining, at at least two different phases of the heart cycle, a position of the invasive probe;

    (c) determining a local non-electrical physiological value at the location;

    (d) repeating (a)-(c) for a plurality of locations of the heart; and

    (e) combining the positions to form a time-dependent map of at least a portion of the heart.

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