Abstract: The present application presents a methodology that applies reinforcement learning to train a neural network to perform medical triage by analyzing medical evidence of a patient (for instance, obtained via an interface with the patient), assigning a triage level to the patient where sufficient evidence has been obtained to make a reliable triage decision, and requesting more evidence where needed. By learning when to ask for more information and when to make a decision, the neural network can be trained to make quicker decisions on fewer pieces of evidence whilst still ensuring an accurate and safe triage level is determined.

Abstract: A method for providing a computer implemented medical diagnosis includes receiving an input from a user comprising a symptom of the user. The method also includes providing the symptom as an input to a medical model comprising a probabilistic graphical model comprising probability distributions and relationships between symptoms and diseases, and an inference engine configured to perform Bayesian inference on said probabilistic graphical model. The method also includes generating a question for the user to obtain further information concerning the user to allow a diagnosis, and outputting said question to the user. The method also includes outputting said question to the user, wherein generating a question for the user comprises ranking said questions by determining the utility of the possible questions.

Abstract: A method for providing a computer implemented medical diagnosis includes receiving an input from a user comprising a symptom of the user. The method also includes providing the symptom as an input to a medical model comprising a probabilistic graphical model comprising probability distributions and relationships between symptoms and diseases, and an inference engine configured to perform Bayesian inference on said probabilistic graphical model. The method also includes generating a question for the user to obtain further information concerning the user to allow a diagnosis, and outputting said question to the user. The method also includes outputting said question to the user, wherein generating a question for the user comprises ranking said questions by determining the utility of the possible questions.