Quality Management in Imaging

Course Description

Quality Management in Imaging treats quality management as a critical aspect of ensuring the proper functioning of imaging equipment and compliance with government and accreditation standards. It develops knowledge of quality assurance, quality improvement, and quality control in the radiologic and imaging sciences, with emphasis on the technologist's role in establishing quality assurance protocols that promote accurate diagnoses and safe patient care — with particular attention to digital imaging systems.

Within the SCNS taxonomy, RTE is the Radiography prefix, and the 4000-level number places this in the upper division of a bachelor's completion programme. Daytona State publishes it at 3 credits, offered fall, spring, and summer, giving approximately 45 contact hours.

The emphasis on digital systems is the reason this course looks different from the quality control taught at associate level. Digital imaging removed the feedback that film provided — a badly exposed film looked bad, so errors were self-correcting. A digital system compensates for exposure error and produces an acceptable-looking image from a substantially wrong technique, which means quality problems now hide rather than announce themselves.

⚠ Availability note: found in the 2025–2026 catalog

This course is published in Daytona State's 2025–2026 catalog within the B.S. in Radiologic and Imaging Sciences, and does not appear in the 2024–2025 edition. Upper-division imaging coursework is a relatively recent addition at Florida state colleges, so check the current catalog year when confirming availability or credit value.

Learning Outcomes

Required Outcomes

• Distinguish quality assurance, quality control, and quality improvement, and describe how each operates.
• Describe the components of a departmental quality management programme.
• Describe the regulatory framework governing medical imaging at federal and Florida levels.
• Describe accreditation requirements and the process of preparing for survey.
• Describe equipment acceptance testing and its purpose.
• Perform and interpret routine quality control tests on radiographic equipment.
• Describe quality control requirements specific to computed tomography.
• Describe quality control for digital radiography and computed radiography systems.
• Describe display monitor quality control and the standards governing it.
• Monitor and interpret exposure indicators and describe their role in dose management.
• Identify and analyze causes of repeat examinations.
• Conduct and interpret a repeat analysis and act on the findings.
• Describe radiation dose monitoring, dose indices, and dose reporting requirements.
• Apply the ALARA principle and dose optimization strategies.
• Describe protocol management and standardization across equipment and sites.
• Evaluate image quality systematically and describe the factors affecting it.
• Apply quality improvement methodology to an identified problem.
• Collect, analyze, and present quality data appropriately.
• Describe incident reporting, root cause analysis, and just culture.
• Describe the roles of the medical physicist, radiation safety officer, and radiologist in quality management.
• Document quality management activity to regulatory and accreditation standards.
• Describe patient safety initiatives in imaging and the technologist's role in them.

Optional Outcomes

• Describe quality management in magnetic resonance imaging.
• Describe mammography quality standards and their distinctive regulatory regime.
• Describe PACS and informatics quality considerations.
• Describe artificial intelligence tools in imaging and their validation.
• Describe cost and productivity analysis in a quality context.
• Prepare a departmental quality management plan.

Major Topics

Required Topics

• QA, QC, and QI distinguished
• Components of a quality management programme
• Federal and Florida regulation of imaging
• Accreditation and survey preparation
• Acceptance testing
• Radiographic equipment quality control
• Computed tomography quality control
• Digital and computed radiography quality control
• Display monitor quality control
• Exposure indicators and dose management
• Repeat analysis and its causes
• Dose monitoring, indices, and reporting
• ALARA and dose optimization
• Protocol management and standardization
• Systematic image quality evaluation
• Quality improvement methodology
• Data collection, analysis, and presentation
• Incident reporting, root cause analysis, just culture
• Roles of physicist, RSO, and radiologist
• Documentation for regulators and accreditors
• Patient safety in imaging

Optional Topics

• MRI quality management
• Mammography quality standards
• PACS and informatics quality
• AI tools and validation
• Cost and productivity analysis
• Preparing a quality management plan

Resources & Tools

• Quality Management in the Imaging Sciences (Papp) — the standard text for this course specifically.
• ACR (acr.org) — accreditation programme requirements and technical standards; the ACR Appropriateness Criteria are free and are the reference for whether an examination is indicated.
• AAPM (aapm.org) — free task group reports, which are the technical authority on equipment quality control and dose measurement.
• ASRT (asrt.org) — practice standards for radiologic technologists and continuing education.
• Image Gently and Image Wisely — free campaigns on paediatric and adult dose optimization; both publish practical protocol guidance.
• Florida Department of Health, Bureau of Radiation Control — free: Florida's radiation regulations, equipment registration, and inspection requirements under Chapter 64E-5, Florida Administrative Code.
• FDA — free: the Mammography Quality Standards Act (MQSA) requirements and medical device reporting.
• The Joint Commission — free national patient safety goals and diagnostic imaging requirements.
• NCRP and ICRP reports — the radiation protection framework underlying dose limits and ALARA.
• Your department's QC logs and physicist reports — the most useful real material available, and course projects built on them are immediately usable.

Career Pathways

• Quality management coordinator — imaging departments employ dedicated quality staff, and this is the direct destination.
• Lead or senior technologist — with quality responsibilities attached.
• Imaging department supervisor, manager, or director — the leadership track, for which the B.S. is frequently the entry requirement.
• Accreditation and compliance specialist — preparing departments for ACR and Joint Commission survey.
• Radiation safety — supporting or serving as a radiation safety officer, with additional qualification.
• PACS administrator and imaging informatics — a technical, well-paid specialization; the CIIP credential exists for it.
• Applications specialist — equipment manufacturers employ technologists to install, optimize, and train.
• Clinical educator — quality and education roles frequently combine; see RTE3253 in this repository.
• Dose management and protocol optimization — an emerging specialization driven by dose monitoring software.
• SOC codes 29-2034 Radiologic Technologists and 11-9111 Medical and Health Services Managers.

Special Information

⚠ Digital imaging hides exposure error — and dose creep is the consequence

The central technical problem of modern radiography, and the reason this course emphasizes digital systems.

Film was self-policing. Overexpose a film and it came out dark; underexpose it and it came out light. The image told you immediately, and the incentive ran toward the correct technique.

Digital detectors have wide dynamic range and the system rescales the image. A substantially overexposed digital acquisition produces a normal-looking image — with the patient having received a dose several times higher than necessary, and nothing in the appearance reveals it. Underexposure is visible as quantum mottle; overexposure is not.

The consequences:

• Dose creep is a documented phenomenon. Because overexposure is invisible and produces cleaner-looking images while underexposure produces obvious noise and repeats, technique drifts upward over time across a department.
• The exposure indicator is the control. Every digital system reports an indicator relating to detector exposure, and monitoring it is the only routine way to detect dose creep. Manufacturers use different indicators and scales, and a standardized index exists precisely because the proliferation caused confusion.
• Set and monitor target ranges, and investigate systematic deviation. This is a departmental quality function and it is exactly what a quality coordinator does.
• Repeat analysis matters more, not less. Digital repeats are cheap in materials and are not free in dose, and deleted images may never be counted unless the system is configured to capture them.
• Post-processing cannot fix positioning or collimation. It can rescale density and adjust contrast, which tempts technologists to accept what should be repeated — and to over-collimate or under-collimate without visible penalty.
• Collimation discipline degraded with digital. Collimation reduces dose and improves image quality, and it is easier to be sloppy when the detector is large and the image is cropped afterwards.

The professional framing: the technologist is the last control on patient dose. Equipment and protocols set the range; the person at the console decides what is actually delivered.

⚠ QA, QC, and QI are three different activities — the distinction is the course's spine

• Quality control is technical and measurement-based: testing equipment against specifications on a defined schedule. kVp accuracy, half-value layer, collimation alignment, and monitor luminance are QC.
• Quality assurance is the overarching system that ensures quality — policies, protocols, competency, documentation, and the structure within which QC happens.
• Quality improvement is iterative and problem-directed: identifying a gap, testing a change, measuring the effect, and standardizing what works.
• They fail differently. A department can pass every QC test and still deliver poor care because its protocols are wrong or its staff are not competent — QC measures machines, QA measures the system, and QI changes it.
• Data is required for all three. Quality claims without measurement are assertions, and both regulators and accreditors ask for records.
• Just culture is the enabling condition. Systems improve from reported errors, and departments that punish reporting produce silence rather than safety. Distinguishing human error, at-risk behaviour, and reckless conduct is what makes reporting survivable.

The practical skill worth building: collecting and presenting quality data honestly. A repeat analysis that is manipulated to look good, or a QC log completed retrospectively, is worse than none — it creates false assurance and it is a documentation integrity problem with regulatory consequences.

⚠ Florida regulates imaging equipment directly — know the Bureau of Radiation Control

The regulatory content specific to practising in this state.

• Florida's Bureau of Radiation Control, within the Department of Health, regulates radiation-producing equipment under Chapter 64E-5, Florida Administrative Code. Equipment must be registered, facilities are inspected, and deficiencies carry enforcement consequences.
• Florida licenses radiologic technologists separately, under Chapter 468, Part IV, Florida Statutes — a licence distinct from ARRT certification.
• Mammography is separately and more stringently regulated under the federal Mammography Quality Standards Act, with prescribed QC schedules, personnel qualifications, and annual physicist surveys. It is the most regulated imaging modality and a useful model for what comprehensive quality regulation looks like.
• Accreditation is frequently required for reimbursement. ACR and other accrediting bodies set technical and personnel standards, and accreditation status affects whether advanced imaging is payable.
• The medical physicist's survey is a legal document, and acting on its findings is the department's responsibility.
• Records must be retained for specified periods and produced on inspection.

Rule 11 applies with force — radiation regulation, accreditation requirements, and dose reporting expectations all change. Verify against current Florida rule and current accreditation standards, never against a textbook.

⚠ The best examination is the one that was indicated — and dose is cumulative

The broader patient safety frame that a baccalaureate-level quality course should establish.

• Medical imaging is a substantial source of population radiation exposure, and its growth has been driven largely by computed tomography. Dose optimization matters at scale, not just per patient.
• Appropriateness is upstream of technique. An examination that was not indicated delivers dose for no benefit, however well it was performed. The ACR Appropriateness Criteria are free and are the reference; technologists contribute by raising questions rather than by refusing orders.
• Children are more radiosensitive and have more years for effects to manifest. Image Gently exists for this reason, and paediatric protocols must be genuinely paediatric — scaling adult technique down is not the same as a designed protocol.
• Repeat examinations double the dose for that projection, which makes repeat analysis a dose issue rather than a productivity one.
• Protocol standardization reduces variation, and unmanaged protocol drift across scanners and sites is a documented source of unnecessary dose.
• Dose monitoring software now makes departmental dose data visible and comparable, and using it is becoming standard practice.
• Shielding practice has changed. Long-standing gonadal shielding practice has been substantially reconsidered, with professional bodies concluding it frequently provides little benefit and can degrade images or trigger automatic exposure control problems. This is an area where established habit and current guidance diverge — verify your facility's current policy rather than assuming.

⚠ JRCERT, ARRT, and Florida licensure — the imaging pathway

• Graduation from a JRCERT-accredited programme is the standard route to ARRT certification eligibility in radiography. Accreditation is a gate rather than a quality signal; JRCERT publishes programme effectiveness data, and it is worth checking.
• The ARRT credential (R) is the primary qualification, and ARRT requires an associate degree or higher for certification.
• Florida licenses radiologic technologists through the Department of Health under Chapter 468, Part IV, Florida Statutes. Licensure is separate from certification and has its own application and fees.
• Post-primary credentials — computed tomography, magnetic resonance, mammography, vascular-interventional, and others — are how imaging careers advance, and each has its own clinical experience requirements.
• Continuing education is required for ARRT biennial renewal, and ARRT operates a structured continuing qualifications process.

Rule 11 applies — ARRT eligibility rules, JRCERT standards, and Florida licensure provisions change. Verify with each body directly.

How Florida course levels affect transfer

The first digit of an SCNS number denotes the year of offering, not transferability. Courses at the 1000 and 2000 levels transfer transparently between Florida public institutions, and 3000 to 4000 is unproblematic since both are upper division. The boundary that actually matters is 2000 to 3000, where lower-division credit generally cannot satisfy an upper-division requirement.

RTE4474 is 3 credits and approximately 45 contact hours, offered fall, spring, and summer in a format designed for working technologists. Expect applied analytical deliverables — a repeat analysis, a QC protocol review, a quality improvement project, and a departmental quality plan — rather than examination-only assessment. Build them around your own department: the projects are immediately usable and they demonstrate exactly the competence the leadership track requires.

RTE4474 is upper division and will not be satisfied by associate-level quality control coursework. Students entering a bachelor's completion programme should note that A.S. degrees are applied and do not carry the A.A.'s junior-status guarantee, though these programmes publish articulation designed for credentialed A.S. graduates.