Automated detection of cardiac motion using contrast markers

Abstract

Techniques are provided for automatically detecting cardiac motion using contrast markers. The contrast markers can be located in images generated by an external imaging device. The contrast markers can be used for locating regions of interest in a heart and their relative motion. The techniques for determining cardiac motion are objective, automated, and reproducible from session to session. Techniques are also provided for automatically analyzing cardiac motion using contrast markers and outputting data or commands that can be used to facilitate or to direct cardiac therapies. The cardiac motion data can be provided in a therapeutically useful output format, such as waveforms, text, and graphics. As another example, a feedback system can analyze the cardiac motion data and can generate feedback commands that cause a cardiac motion regulating device to automatically adjust heart motion in real-time.

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