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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Computer-Based Patient Record Institute, Inc., an independent institute that develops and recommends standards for computerized patient records.
Critical Access Hospital (CAH)
Is a rural community hospital that receives cost-based reimbursement. The reimbursement received by CAHs is intended to reduce hospital closures and improve their financial performance.
Keeping data secret through the use of mathematical or logical functions that transform intelligible data into unintelligible data and back again.
Current Procedural Terminology (CPT) Code
Is a medical billing and administrative code set that describes medical, surgical, and diagnostic services. It is designed to communicate uniform information about health care services and procedures among providers, coders, patients, accreditation organizations and payers for administrative, financial and analytical purposes. It was revised in January of 2013.
A technique that removes extraneous characters and reduces data volume, thereby decreasing image processing demands, transmission times, bandwidth requirements, and storage space requirements. As distinguished from "lossless" compression techniques, "lossy" ones drop some information, which may or may not be clinically important, depending on the specific telehealth application.
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.