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Telehealth is the act or process of delivering health care, usually through information and education, through the use of communications technology such as the Internet, videoconferencing, streaming media, and terrestrial and wireless communication. It encompasses a broad technology set, as mentioned, to deliver virtual medical, health and education services. It also still applies to traditional clinical diagnosis and monitoring being done through distance technology.
Telehealth is commonly defined as the act of remote data interchange between a patient and a health-care professional in order to assist in the diagnosis and monitoring of a patient with a condition that needs constant attention, so as to allow the patient to live his/her daily life without a health professional constantly being by his/her side. This is often accomplished by new yet experimental technology that monitors the patient's condition and then sends the patient data to physicians in real time. The above definition is also considered as a more defined and smaller scoped field called telemedicine, which revolves mostly around the remote interaction between a patient and a health-care professional, but is still considered to be under general telehealth.
Telehealth is also used to describe the wide variety of processes that use technology for providing diagnosis and health management either to patients directly or to proxy health professionals who are directly interacting with patients in the form of information, consults and general education.
Telehealth includes the following fields and actions: