Download Essentials of telemedicine and telecare by A. C. Norris PDF
By A. C. Norris
Quick development of telecommunications and knowledge expertise has created the opportunity of fine quality professional healthcare to be brought whilst and the place it's wanted. this article charts the advance of the telemedicine undefined, defines its present scope and divulges the opportunity of new methodologies.
* explains the most good points of telemedicine and telecare
* experiences the expertise wanted for telemedicine
* describes the best way to improve, bring and overview telemedicine services
* considers the linked moral and criminal issues
* comprises an in-depth survey of the literature with over three hundred references to analyze articles and links to linked websites
this article offers a great operating wisdom of the subject material. it will likely be imperative for all scholars on classes concerning medication and future health care administration. It additionally addresses the strategic, technical and operational concerns confronted via clinicians and healthcare managers contemplating the creation of telemedicine prone providing options for various occasions.
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Extra info for Essentials of telemedicine and telecare
Example text
These parameters are determined by the quality of the scanning device which uses photosensitive, charge coupled diode (CCD) transducers to digitise the image. e. Thehuman eye actually fails to detect differences in quality at values far below these levels. However, if the numberof bits is too low then both grey-scale andcolour images lose resolutionandtendtomonochrome picturesinwhichdetail is lostin amorphous blocks. So why not use the maximum number of bits all of the time? For example, The American College of Radiologists (ACR) has defined [l041 two categories of teleradiology images; small matrix or low-resolution systems must digitise 500 pixel x 500 pixel x 8 bit images, while for large n m t r h or high-resolution, systems therequiredimageresolution is 2000 pixel X 2000 pixel X 12 bit.
For example, The American College of Radiologists (ACR) has defined [l041 two categories of teleradiology images; small matrix or low-resolution systems must digitise 500 pixel x 500 pixel x 8 bit images, while for large n m t r h or high-resolution, systems therequiredimageresolution is 2000 pixel X 2000 pixel X 12 bit. A single image file at the low resolution (ultrasound, magnetic resonance, nuclear medicine) standard is therefore about 250 KB. In contrast, a single image file atthe high resolution (digitised radiographic films and computed radiography) standard takes 4 MB, a factor of 16 times the small matrix file size.
Fax)or a document camera. Unless the text is subjected toopticalcharacterrecognition(OCR) [99] itwillbein bitmapped format and cannot be edited. Frequently, textual information is needed before the teleconsultation takes place or later,asaconsequence of theprocess. 2). g. speech) and establish a remote diagnosis. However, the quality (ease of understanding) and bandwidth (capacity to carry information) of analogue telephony are seldom adequate for medical applications. In contrast, digital signals can be transmitted over networks for large distances without degradation.