E-health encompasses a broad range of health disciplines that use the Internet and associated technologies to deliver information and health services. Traditionally, patients have relied on the healthcare professional to provide relevant medical information to inform decision making on diagnosis and therapy. Patient education in the past has consisted of independently collated health information, disseminated predominantly in written and video formats. Greater accessibility to the Internet has provides a novel method for patients to access health information and play a greater role in decisions ultimately affecting their health. However, patients' ability to access, understand, and integrate this knowledge with their healthcare professional influences the extent to which such technologies are effective. This article provides an overview of the impact of the Internet on patient knowledge management, education, and its subsequent impact upon the medical decision-making process between the patient and clinician.
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