Computed Tomography is a dedicated study of CT imaging: the physical principles of data acquisition and image reconstruction, scanner instrumentation, protocol design, contrast administration, radiation dose management, image quality and artifacts, and the clinical applications of CT across body systems.
Within the SCNS taxonomy, RTE is the Radiologic Technology prefix, and the 3000-level number places this in the upper division — a baccalaureate completion program for credentialed technologists, not the associate degree. It appears at approximately four Florida institutions, including Valencia College, Palm Beach State, and at least one private university. Valencia publishes it at 3 credits as a lecture course.
CT is the highest-volume advanced modality in most health systems and the most common first specialization for a radiographer. This course provides the didactic half of the preparation for it — and understanding what the other half is, and where it comes from, is the most consequential thing in this guide.
The single most important thing for a student to understand, and the same point this repository makes about RTE2573C, stated here where it bites hardest.
ARRT post-primary certification in CT requires both structured education and documented clinical experience — a defined set of procedures performed and verified in a working CT department — followed by an examination. This course supplies structured education. It cannot supply the clinical experience, because that must be obtained in employment.
The consequence is a specific sequencing problem students should plan around rather than discover: taking the CT course does not make you a CT technologist, and a graduate with the coursework and no clinical experience is not eligible to sit the examination. The workable route is to get hired into a department that operates CT — in any role — and accumulate the experience there, frequently with employer support and sometimes with tuition assistance for the coursework itself. Many technologists complete this course while already cross-training in CT, which is the efficient order.
ARRT revises its requirements periodically, including the structure of clinical experience requirements and the availability of certain pathways. Verify the current requirements directly with ARRT before planning around them.
Worth stating plainly because radiographers moving into CT frequently underestimate the scale. CT delivers substantially more dose per examination than plain radiography and accounts for a large share of collective medical radiation exposure despite being a minority of examinations. That makes dose optimization a genuine professional obligation rather than a compliance topic.
The levers a technologist actually controls:
Pediatric dose deserves particular attention. Children are more radiosensitive and have more years ahead for effects to manifest, and adult protocols applied to a child deliver substantially more dose than necessary. That is the entire premise of Image Gently, and "child-size the exam" is the professional standard.
Understand also what the dose metrics mean and do not mean: CTDIvol and DLP describe the output of the scanner to a standard phantom, not the dose to the individual patient. They are useful for comparison and optimization, and they are frequently misreported as patient dose. Knowing the difference is part of professional competence here.
Iodinated contrast is central to CT practice and carries real risk that must be screened for.
Renal function matters, and screening protocols exist for that reason — although the understanding of contrast-associated kidney injury has been substantially revised, with current evidence suggesting the risk was historically overstated in many patient groups. This is an actively evolving area; rule 11 applies, and the ACR Manual on Contrast Media is the free, authoritative, regularly updated reference rather than a textbook chapter.
Prior reaction is the strongest predictor of a future reaction, and premedication protocols exist for patients with a documented history. Two persistent myths deserve correction: shellfish allergy is not a predictor of contrast reaction — the iodine connection is a misconception — and a reported "iodine allergy" is not itself meaningful without knowing what actually happened. Ask what the reaction was.
Every technologist working with contrast must know the signs of a severe reaction and the immediate response, and must know where the emergency equipment and epinephrine are before they are needed.
How Florida course levels affect transfer: the first digit denotes the year of offering, not transferability. 1000- and 2000-level courses transfer transparently, and 3000 to 4000 is unproblematic. The boundary that matters is 2000 to 3000 — and RTE3590 is above it. An associate-level special procedures course such as RTE2573C, which surveys CT among other modalities, will not substitute for it; the two differ in depth by a wide margin, and upper-division credit generally must be earned at the upper-division level.
Honestly on the degree: the B.S. does not by itself qualify anyone for CT — the ARRT credential does, and that comes through an employer. What the B.S. buys is eligibility for supervisory, management, education, and informatics roles, and access to graduate study. The most efficient path is usually to obtain the modality credential through employment and complete the degree alongside it.
The 3 credits and approximately 45 contact hours reported here follow Valencia College's published value for RTE3590 as a lecture course (3-0-0), consistent with upper-division RTE courses generally. Note that Daytona State's 2024-2025 catalog does not list an RTE3590 page despite the course appearing in Florida inventories — confirm the offering and its value at your own institution.
Many Florida sections are delivered online or hybrid, since students are working technologists. Assessment is typically written and image-based, with protocol design exercises and artifact identification; sections aligned to the ARRT CT examination will follow its content specifications closely, and taking the examination while the material is fresh is materially easier than deferring it.
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.
One caveat overrides the general rule in accredited health programs: they are lock-step cohorts with sequenced clinical placements, and they accept transfer into the professional sequence rarely and only case by case. Expect to repeat coursework when moving between programs, and get any transfer evaluation in writing.
Generated September 2, 2026 · Updated September 2, 2026