1. A system comprising: a physiologic monitor configured to obtain physiologic information about a patient; and a processor coupled to the physiologic monitor and configured to receive the physiologic information about the patient, the processor comprising: a symptom status detector including a first fuzzy logic inference module configured to derive a symptom status from the physiologic information using a first fuzzy logic inference; and a disease status detector coupled the symptom status detector, the disease status detector including a second fuzzy logic inference module configured to derive a disease status from the symptom status using a second fuzzy logic inference.