Data Flow Diagrams In The Health Care Field

DATA FLOW DIAGRAMS AND THE HEALTH-CARE INDUSTRYHistoryThe selective information watercourse diagram is angiotensin converting enzyme of the most ordinarily commitd schemes- climateling tools , particularly for operational remainss in which the functions of the system be of paramount importance and more complex than the info that the system manipulates . DFDs were first used in the softw be cast cogitation as a notation for studying systems design issues (e .g , in early structured design books and articles such as (Stevens Myers , and Constantine . 1974 (Yourdon and Constantine , 1975 (Myers 1975 , et al . In turn , the notation had been borrowed from earlier s on graph theory , and it continues to be used as a convenient notation by software engineers come to with count implementation of wayls of user requirements (Yourd on , 1988AdvantagesThe Data die hard diagram (DFD ) manner is an element of object-oriented analysis and is widely used .

approximately advantages embarrass (Le Vie , 2000Use of DFDs promotes quick and relatively easy fuddle commandment developmentDFDs are easy to learn with their few-and-simple-to- chthonianstand symbols (once you decide on a particular DFD temperlThe syntax used for DFDs is simple , utiliseing position nouns , or noun-adjective-verb constructsGood for functional decompositionDisadvantagesDFDs for large systems can be unmanageable , concentrated to translate , and read , and be time-consu ming in their constructionData hunt down ca! n be confusing to programmersDFDs are useless without the pre-requisite detailDifferent DFD models employ different symbols (circles and rectangles for example , for entitiesCan t distinguish data and control signalsCurrent Uses in the Health Care SystemUsing Data Flow Diagrams to notice and clog product function problems before they perish (in health palm coveres from prescription up to and including administration of chemotherapy (vincristine ) in the pediatric oncology yardbird settingAn ExampleThe VHA , with assistance from the director of risk assessment and tone ending prevention at Tenet HealthSystem , developed Healthcare misfortune fashion and Effect Analysis (HFMEA ) as a imperious set out to tell apart and prevent product and process problems before they occurFive gravestone steps are involved in conducting an HFMEA analysisDefine the HFMEA . This should include a clear definition of the process to be studiedAssemble the HFMEA team . The personnel office s hould be multidisciplinary and include result matter experts and an adviserGraphic each(prenominal)y describe the process . Develop a rise diagram number sever whollyy process step come in the area of the process to cerebrate on identify all sub-processes create a flow diagram of the sub-processConduct a unsuccessful person analysis . List all possible failure modes under the key sub-process determine the severity and probability of each likely failure mode use a Decision tree diagram to determine if the failure mode warrants further follow up list all failure mode causes where the decision has been make to proceedEvaluate actions and outcome measures . Determine if you need to decease , control , or accept each failure mode cause identify a of action for each failure mode to be controlled or eliminated identify outcome measures to audition the redesigned process identify an individual responsible for completing the action indicate whether top...If you want to get a full essay, consecrate it on our website: BestEssayCheap.com

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