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X-Ray Technician Course
More than 2 million students worldwide

X-Ray Technician Course

Launch your career in diagnostic imaging with a comprehensive X-Ray Technician Course built for real clinical practice. From radiation physics and patient positioning to digital imaging systems and specialized procedures, every topic prepares you for the demands of a modern radiology department. Get the technical knowledge and hands-on skills employers expect from a credentialed radiographer.

Dedika for Business

What you will learn:

This course covers the full scope of entry-level radiographic practice, starting with the physics of X-ray production and radiation safety regulations. You will master patient positioning for every major body region and learn to evaluate and optimize image quality with confidence. The curriculum includes digital radiography systems, PACS workflow, and specialized procedures such as fluoroscopy, contrast studies, and trauma radiography. You will also study pathology recognition, pediatric and geriatric imaging adaptations, and professional ethics. By the end, you will be fully prepared to sit for your credentialing examination and step into a clinical role.

How you study in practice X-Ray Technician Course

How you practise X-Ray Technician Course

For companies looking to train their team

With Dedika for Business, the course includes exercises and examples tailored to your own business and the way your company needs.

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Course Content

8 Chapters • 39 LessonsDuration between 4 and 360 hours (you decide)

Chapter 1See details

Foundations of Radiologic Science

  • Lesson 1 • Radiation Interactions with Matter

    Covers photoelectric effect, Compton scatter, and pair production as they apply to tissue imaging. Explains how each interaction affects image contrast and patient dose.

  • Lesson 2 • Atomic Structure and Radiation Physics

    Explains atomic models, electron shells, and energy levels relevant to X-ray production. Provides the physical basis for understanding how radiation is generated and classified.

  • Lesson 3 • X-Ray Production Mechanisms

    Details bremsstrahlung and characteristic radiation processes within the X-ray tube. Links production mechanisms to image quality and exposure selection.

  • Lesson 4 • History and Scope of Radiography

    Traces the discovery of X-rays to modern diagnostic imaging roles. Contextualizes the technician's professional responsibilities within the broader healthcare system.

Chapter 2See details

Radiation Protection and Safety

  • Lesson 1 • Regulatory Compliance and Safety Standards

    Reviews radiation safety regulations, inspection requirements, and facility safety programs. Prepares students to maintain compliance and participate in safety audits.

  • Lesson 2 • Occupational Dose Monitoring

    Covers dosimeter types, placement, and regulatory dose limits for radiation workers. Trains students to interpret dose reports and respond to overexposure events.

  • Lesson 3 • Patient Shielding and Dose Reduction

    Details gonadal, fetal, and organ shielding techniques and their clinical indications. Connects shielding decisions to patient demographics and examination type.

  • Lesson 4 • Principles of Radiation Protection

    Defines ALARA and the three cardinal protection principles: time, distance, and shielding. Establishes the ethical and regulatory basis for minimizing unnecessary exposure.

  • Lesson 5 • Radiation Biology and Risk Assessment

    Explains stochastic and deterministic effects, dose-response models, and radiosensitivity. Enables students to communicate radiation risk accurately to patients and colleagues.

Chapter 3See details

Radiographic Equipment and Technology

  • Lesson 1 • Image Receptors and Detectors

    Compares film-screen, computed radiography, and digital radiography receptor systems. Establishes criteria for selecting appropriate receptors for specific clinical tasks.

  • Lesson 2 • Exposure Control and Console Operation

    Teaches manipulation of kVp, mA, and exposure time to achieve diagnostic images. Reinforces the relationship between technical factors and radiation dose.

  • Lesson 3 • Equipment Quality Assurance

    Introduces routine QA tests for reproducibility, linearity, and kVp accuracy. Prepares students to identify equipment malfunctions and document corrective actions.

  • Lesson 4 • X-Ray Tube and Generator Systems

    Examines tube construction, anode types, and generator configurations. Connects equipment specifications to clinical performance and image quality outcomes.

  • Lesson 5 • Grids, Collimators, and Beam Restriction

    Explains how grids reduce scatter and collimators limit field size to improve image quality. Demonstrates proper selection and alignment techniques for clinical use.

Chapter 4See details

Image Quality and Exposure Factors

  • Lesson 1 • Image Evaluation and Repeat Analysis

    Provides a systematic approach to critiquing images for positioning, exposure, and artifact errors. Introduces repeat rate tracking as a quality improvement tool.

  • Lesson 2 • Radiographic Contrast and Gray Scale

    Distinguishes short-scale and long-scale contrast and identifies kVp as the primary controlling factor. Connects contrast choices to pathology visibility and diagnostic requirements.

  • Lesson 3 • Distortion and Magnification Control

    Covers size and shape distortion causes and correction strategies in clinical positioning. Reinforces proper alignment of part, receptor, and central ray to minimize distortion.

  • Lesson 4 • Radiographic Density and Brightness

    Defines optical density for film and brightness for digital systems and their controlling factors. Trains students to recognize under- and overexposure and select corrective mA or time adjustments.

  • Lesson 5 • Recorded Detail and Spatial Resolution

    Explains geometric and receptor factors affecting sharpness, including OID, SID, and focal spot size. Enables students to maximize recorded detail through geometry optimization.

Chapter 5See details

Radiographic Positioning Fundamentals

  • Lesson 1 • Positioning Aids and Patient Preparation

    Covers sponges, sandbags, compression bands, and immobilization devices for positioning accuracy. Addresses patient communication, gowning, and preparation protocols.

  • Lesson 2 • Lower Extremity Positioning

    Covers projections of the foot, ankle, tibia-fibula, knee, and hip with proper alignment criteria. Connects weight-bearing vs. non-weight-bearing positions to clinical indications.

  • Lesson 3 • Upper Extremity Positioning

    Teaches standard and supplementary projections of the hand, wrist, forearm, elbow, and shoulder. Emphasizes correct central ray angulation and image receptor placement.

  • Lesson 4 • Axial Skeleton Positioning

    Addresses cervical, thoracic, and lumbar spine projections along with chest and abdomen positioning. Stresses breathing instructions and central ray angles for each region.

  • Lesson 5 • Anatomical Terminology and Body Planes

    Establishes directional terms, body planes, and movement descriptors used in positioning. Provides the language framework for all subsequent positioning instructions.

Chapter 6See details

Digital Imaging and PACS Workflow

  • Lesson 1 • RIS Integration and Workflow Management

    Explains how the Radiology Information System manages orders, scheduling, and reporting. Trains students to enter patient data, track exam status, and close orders accurately.

  • Lesson 2 • PACS Architecture and Image Storage

    Describes PACS components, DICOM standards, and image archiving strategies. Prepares students to navigate PACS interfaces and retrieve prior studies efficiently.

  • Lesson 3 • Image Processing and Post-Processing Tools

    Covers histogram analysis, look-up tables, edge enhancement, and noise reduction algorithms. Trains students to apply post-processing appropriately without masking pathology.

  • Lesson 4 • Image Quality in Digital Environments

    Addresses digital artifacts, detector calibration, and flat-field correction procedures. Enables students to identify and resolve common digital image quality problems.

  • Lesson 5 • Digital Image Acquisition Principles

    Explains pixel matrix, bit depth, and dynamic range as determinants of digital image quality. Connects acquisition parameters to clinical diagnostic adequacy.

Chapter 7See details

Specialized Radiographic Procedures

  • Lesson 1 • Fluoroscopy Principles and Operation

    Covers image intensifier and flat-panel fluoroscopy systems, dose rates, and real-time imaging controls. Emphasizes dose management strategies unique to fluoroscopic procedures.

  • Lesson 2 • Contrast Media and Administration

    Classifies iodinated and barium contrast agents by osmolality, viscosity, and clinical indication. Prepares students to assist with administration and monitor for adverse reactions.

  • Lesson 3 • Gastrointestinal Contrast Studies

    Details upper GI series, barium enema, and small bowel follow-through positioning and technique. Connects fluoroscopic findings to common GI pathologies.

  • Lesson 4 • Urinary Tract and Genitourinary Studies

    Covers intravenous urography, retrograde pyelography, and cystography positioning and timing sequences. Addresses patient preparation and contrast injection protocols.

  • Lesson 5 • Trauma and Mobile Radiography

    Adapts standard projections for trauma patients with limited mobility using modified angles and portable units. Stresses cross-table lateral and AP trauma techniques for spine and extremities.

Chapter 8See details

Professional Practice and Clinical Competency

  • Lesson 1 • Patient Assessment and Care

    Trains students to assess vital signs, recognize patient distress, and respond to medical emergencies. Connects assessment skills to safe patient management during imaging procedures.

  • Lesson 2 • Clinical Documentation and Communication

    Covers accurate exam documentation, requisition interpretation, and interdisciplinary communication. Reinforces the technician's role in maintaining complete and accurate patient records.

  • Lesson 3 • Certification Preparation and Career Readiness

    Reviews examination eligibility requirements, content specifications, and test-taking strategies. Prepares students for credentialing examinations and entry-level employment expectations.

  • Lesson 4 • Infection Control and Sterile Technique

    Establishes standard precautions, hand hygiene, and equipment disinfection protocols for the imaging suite. Addresses isolation procedures for patients with communicable conditions.

  • Lesson 5 • Medical Ethics and Patient Rights

    Applies ethical principles of autonomy, beneficence, and justice to radiographic practice decisions. Covers informed consent, confidentiality, and patient rights in imaging settings.

Certification

Your valid completion certificate

This course is for you:

  • Aspiring radiographers: eager to enter a stable, in-demand clinical profession.

  • Career changers: transitioning from non-clinical jobs into structured healthcare roles.

  • Medical assistants: ready to advance into a specialized imaging technician position.

  • Healthcare aides: seeking a credential that expands their clinical responsibilities significantly.

  • Recent graduates: exploring allied health careers with strong long-term employment prospects.

  • Military veterans: applying discipline and technical aptitude to a civilian medical career.

What our students say

Your classes are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of interest without needing to switch platforms... I thank you for everything you do, I've already recommended you to other people...
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Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can change chapters and skip content I don't need.
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Mariana FerresPhotography Student
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Luciana AlvarengaNail Design Student
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