From Laennec's invention of the stethoscope in 1816 to the recently introduced Sapien transcatheter aortic valve replacement, the increasing complexity of health care technology has altered the relationship between patients and physicians, usually for the better. Telemedicine, the provision of medical services through electronic media, has dramatically changed how the patient and physician interact and how medical care is delivered. Many studies of physicians' perceptions of electronic communication with patients have documented recognition of benefits as well as a consistent chorus of concerns about confidentiality, increased workload, inappropriate use, and medicolegal issues.
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