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RT 296 IT test 4
study test 4
| Question | Answer |
|---|---|
| Health care level 7 | Provides a framework for exchange, integration, sharing, and retrieval of electronic health info |
| What does DICOM stand for? | Digital imaging and communications in medicine |
| Who needs DICOM? | hospitals, clinics, imaging centers and specialists |
| Who benefits from DICOM? | physicians, patients, and payers |
| What does RAID stands for? | redundant array of independent disks |
| What is RAID? | composed of several magnetic disks or hard drives that are linked together in an array used for short term storage |
| What does PACS stand for? | picture archiving & communication system |
| DICOM gray scale function | assures that pixel values are displayed at the proper luminence providing a more consistent image |
| Why is compression useful? | it helps reduce the consumption of expensive resources, such as hard disk space and transmission bandwidth |
| Lossless compression | when there is no loss of image quality |
| Lossee (lossy) compression | when some loss of image quality occurs and must be used with care |
| FOV | field of view |
| ROI | region of interest |
| EI | exposure index |
| DEL | detector element |
| TFT | thin film transistor |
| LUT | look up table |
| AMA | active matrix array |
| CPU | computer/central processing unit |
| CCD | charge coupled device |
| RAM | random access memory |
| DQE | detective quantum efficiency |
| SNR | signal to noise ratio |
| What is quality assurance? | a plan for the systematic observation and assessment of the different aspects of a project or service to make sure the standards are being met |
| What is quality control? | a comprehensive set of activities designed to monitor and maintain systems that produce a product |
| What is data integrity? | when all images completed at the modality make it to the PACS |
| What is quality control standards? | the ACR requires compliance with standards of practice to ensure quality in any imaging system |
| QC | quality control |
| QA | quality assurance |
| ACR | american college of radiology |
| TQM | total quality management |
| What is total quality management? | overall efficiency and effectiveness of imaging systems are evaluated beyond the mechanics of producing a radio-graph image, maintenance of equipment, image acquisition and processing standards are quality control issues that fit into this concept |
| What is used to move medical images from the modality to the viewing and storage device? | DICOM |
Created by:
Chrslarsen
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