exposure reproducibilitymA linearity formulamAs linearityx ray timer accuracy testExposure reproducibilityma linearity testwhy is a step system and step chart needed for producing quality radiographsexposure reproducibility quizlet8 penny testExposure reproducibility QuizletExposure reproducibility definitionExposure reproducibility must be accurate to withinExposure linearityx ray qa testingAssessment of kVp Accuracy, Reproducibility and Consistency ...
文章推薦指數： 80 %
Eight hospitals x-ray units and four radiology centres were studied and the test for kVp accuracy, kVp consistency and kVp reproducibility were conducted on ... InternationalJournalofResearch User Username Password Rememberme FontSize JournalContent Search SearchScope All Authors Title Abstract Indexterms FullText Browse ByIssue ByAuthor ByTitle ArticleTools Printthisarticle Indexingmetadata Howtociteitem FindingReferences Emailthisarticle(Loginrequired) Emailtheauthor(Loginrequired) Information ForReaders ForAuthors ForLibrarians AboutTheAuthors Margaret.I.Ike-Ogbonna India Daniel.I.Jwanbot India Emeka.E.Ike India Home> Vol4,No13(2017)> Ogbonna AssessmentofkVpAccuracy,ReproducibilityandConsistencyindiagnosticx-rayunitsofsomeselectedhospitalsandradiologycentresinJosandenvirons,PlateaustateNigeria. Margaret.I.Ike-Ogbonna,Daniel.I.Jwanbot,Emeka.E.Ike Abstract Toensurethatradiationdosesreceivedbybothpatientsandmedicalstaffarekeptaslowasreasonablyachievable.QualityAssuranceprogramimplementationinconventionaldiagnosticradiologyisnecessary.Theexposurefactorsofthex-raymachineneedtobecheckedfromtimetotimeasrequiredbytheInternationalCommissiononRadiologicalProtection (ICRP).Inthisresearch,assessmentofthetubeoutputvariationwithkVpaccuracy,reproducibilityandconsistencyindiagnosticx-rayunitsofsomeselectedhospitalsandradiologycentresinJos,PlateaustatewerecarriedoutusingGammexdigitalkVmeterwithmodelnumber:330.Eighthospitalsx-rayunitsandfourradiologycentreswerestudiedandthetestforkVpaccuracy,kVpconsistencyandkVpreproducibilitywereconductedonthex-raymachinesatvariedkVandmAssetonthecontrolpanelatafocustofilmdistanceof10m.Fromtheresultsobtained,sevenx-rayunits(58%)hadvaluesrangingfrom(1.78to4.26)withinthetolerancelimitof±5%inkVpaccuracywhilefivex-rayunits(42%)wereabovethetolerancelimit.InkVpreproducibilityeightx-rayunitshadvaluesrangingfrom(1.52to9.78)withintherecommendedtolerancelimitof±10%,whilefourx-rayunitswereabovetherecommendedtolerancelimitwithvaluesbetween(-13.30%to15.86%)andinkVpconsistencywiththerecommendedtolerancelimit±5%,67%ofthex-rayunitswereallwithinthetolerancelimitwithvaluesrangingfrom(-0.8to-5.0)but33%hadvalues(5.3to18.1)ofhighdeviationsoutsidethetolerancelimit.ThisshowthatthesetvalueofexposurefactorkVfromthecontrolconsolegivesvalueswithinthetolerancelimitforabout67%ofthestudiedx-raymachine,meaningthereisagoodqualityassuranceprogrammeinplacemostofthediagnosticx-rayunitsstudied. FullText: PDF Copyright(c)2017EdupediaPublicationsPvtLtd ThisworkislicensedunderaCreativeCommonsAttribution-NonCommercial-ShareAlike4.0InternationalLicense. AllpublishedArticlesareOpenAccessat https://journals.pen2print.org/index.php/ijr/ Papersubmission:[email protected]
延伸文章資訊
- 1kVp and timer accuracy/reproducibility results in Kerman and ...
The main objective of this study was to perform QC tests on stationary radiographic X-ray machine...
- 2Performance Characteristics of Radiographic equipment in ...
The performance assessment tests conducted are kVp reproducibility, kVp accuracy, mAs linearity, ...
- 3Reproducibility - Quality control in radiography
Exposures made at the same kVp and mA stations of the same phantom thickness should produce the s...
- 4Assessment of kVp Accuracy, Reproducibility and Consistency ...
Eight hospitals x-ray units and four radiology centres were studied and the test for kVp accuracy...
- 5(PDF) Evaluation of kilovoltage failure in conventional X-ray ...
(radiographers) to handle exposures. Also, a certified medical physicist carried out kVp accuracy...
