Automated diagnostic system and method including disease timeline
First Claim
1. A method of automatically diagnosing a medical condition by use of a predicted timeline of symptoms, the method comprising:
- accessing a plurality of timelines which are each representative of a typical pattern of a disease;
automatically asking one or more questions of a patient so as to elicit a chief complaint;
automatically receiving answers from the patient in response to the questions;
automatically identifying a disease corresponding to the chief complaint;
correlating the chief complaint to a timeline for the disease;
automatically asking one or more questions to elicit the onset time of a symptom on the timeline for the disease;
adding an incremental weight to a cumulative score for the disease if the symptom is established; and
establishing the diagnosis when the cumulative score exceeds a predetermined threshold.
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Abstract
Structure-based processing includes a method of diagnosing diseases that works by arranging diseases, symptoms, and questions into a set of related disease, symptom, and question structures, such as objects or lists, in such a way that the structures can be processed to generate a dialogue with a patient. A structure-based processing system organizes medical knowledge into formal structures and then executes those structures on a structure engine to automatically select the next question. Patient responses to the questions lead to more questions and ultimately to a diagnosis. An object-oriented embodiment includes software objects utilized as active, intelligent agents where each object performs its own tasks and calls upon other objects to perform their tasks at the appropriate time to arrive at a diagnosis. Alternative symptoms, synergies, encoding of patient responses, multiple diagnostic modes, disease profiles or timelines, and the reuse of diagnostic objects enhance the processing of the system and method.
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Citations
9 Claims
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1. A method of automatically diagnosing a medical condition by use of a predicted timeline of symptoms, the method comprising:
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accessing a plurality of timelines which are each representative of a typical pattern of a disease;
automatically asking one or more questions of a patient so as to elicit a chief complaint;
automatically receiving answers from the patient in response to the questions;
automatically identifying a disease corresponding to the chief complaint;
correlating the chief complaint to a timeline for the disease;
automatically asking one or more questions to elicit the onset time of a symptom on the timeline for the disease;
adding an incremental weight to a cumulative score for the disease if the symptom is established; and
establishing the diagnosis when the cumulative score exceeds a predetermined threshold. - View Dependent Claims (2, 3, 4, 5)
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6. A method of automatically diagnosing a medical condition of a patient by use of a predicted timeline of symptoms, the method comprising:
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generating a plurality of timelines which are each representative of a typical course of a disease via a characteristic pattern of symptom attributes over time; and
automatically selecting a particular disease based on a pattern of symptom attributes associated with a patient being similar to the timeline associated with the particular disease. - View Dependent Claims (7, 8, 9)
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Specification