Most definitions found in this glossary are adapted with permission from this text book:
Maheu, M., Whitten, P., & Allen, A. (2001). eHealth, Telehealth & Telemedicine: A Guide to Startup and Success. New York: Jossey-Bass.
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Describing a permanent telephone or data line that is reserved exclusively for one specific purpose. Dedicated lines are usually digital and are also referred to as leased or private lines.
Digital Imaging and Communications in Medicine. A set of protocols describing how radiological images are formatted and transferred from point-to-point digital medical imaging devices. DICOM was developed by the American College of Radiology and the National Electronic Manufacturers Association (ACR/NEMA).
An image formed by independent pixels, each of which is distinguished by a digitally represented luminance level.
The conversion of analog information into digital information. Digital signals transmit audio, video, and data coded as bits. Digital technology facilitates data compression, and digital signals are less susceptible to interference than analog technology.
Distance education is defined as a formal educational process in which the majority of the instruction occurs when student and instructor are not in the same place. Instruction may be synchronous (students and instructors present at the same time) or asynchronous (students and instructors access materials on their own schedule).
(see also Hub Site or Consultant Site) Is the telehealth site where the provider is located when delivering a telehealth service.
The transmission of data from a satellite to a receiver on the ground.
Allowing telecommunication in opposite directions. Full-duplex communication channels can transmit data, audio, or video simultaneously; half-duplex channels can transmit in only one direction at a time.
Durable Medical Equipment
(DME) Is any medical equipment, such as oxygen tanks, wheelchairs or hospital beds used in the home. Newer DME devices include peripherals for smart devices.