In-depth radiography resources — from positioning guides to exam prep and career advice. Written for students, by educators.
In-depth articles covering radiographic positioning, exam preparation strategies, physics tutorials, modality comparisons, and career guidance for radiologic technology students and professionals. Updated regularly with fresh content for ARRT, RTLE, and PART exam prep.
Complete myelography guide for rad techs — nonionic iodinated intrathecal contrast, CT myelography, indications, lumbar puncture technique, Trendelenburg positioning, patient prep, aftercare, and ARRT exam safety points.
August 22, 2026 ⚡ PhysicsUnderstand every factor behind radiographic image sharpness and geometric unsharpness — focal spot size, SID, OID, motion, the detector, and quantum mottle — with the Ug = F × OID/SOD formula and ARRT exam tips.
August 21, 2026 🦴 PositioningMaster the shared language of radiography — projection and position terms like AP, PA, and lateral decubitus, the four body habitus types (sthenic, hypersthenic, asthenic, hyposthenic), and the palpable bony landmarks that anchor your centering. 30 ARRT exam terms in plain English.
August 19, 2026 ⚡ PhysicsUnderstand the five ways x-rays interact with matter — photoelectric (Z³/E³) builds contrast, Compton dominates in soft tissue and creates scatter fog, and why kVp choice controls image contrast. ARRT exam essentials.
August 17, 2026 🦴 PositioningComplete AC joint X-ray positioning guide — Pearson weight-bearing AP, Zanca, and Alexander methods with centering points, CR angles, Rockwood classification, evaluation criteria, and ARRT exam tips for rad tech students.
August 14, 2026 🛡️ Radiation SafetyPregnancy and x-ray safety guide for rad techs — fetal dose limits for declared pregnant workers, the 10-day rule, conceptus dose table, shielding guidance, and ARRT exam tips.
August 12, 2026 🦴 Bone DensitometryComplete DEXA scan guide for rad techs — AP spine, hip, and forearm positioning, T-scores vs Z-scores, patient prep, quality control, the ARRT Bone Densitometry credential, and exam tips.
August 10, 2026 💉 ProceduresComplete arthrography guide for rad techs — direct and indirect technique, iodinated vs gadolinium contrast, fluoroscopic procedure steps, joint-specific approaches, adhesive capsulitis findings, and ARRT exam tips.
August 8, 2026 🦴 PositioningComplete soft tissue neck X-ray positioning guide for rad techs — AP and lateral upper airway views with CR centering at C4, epiglottitis thumb sign, croup steeple sign, prevertebral space, and ARRT exam tips.
August 7, 2026 ⚡ PhysicsComplete X-ray tube guide for ARRT prep — cathode, filament, focusing cup, rotating anode, focal spot sizes, line-focus principle, heel effect, tube failure causes, and practice questions.
August 4, 2026 🦴 PositioningComplete temporal bone X-ray positioning guide for rad techs — AP axial 35°, mastoid lateral oblique, profile, Stenver's, and SMV views with Clark's centering points, evaluation criteria, and ARRT exam tips.
August 5, 2026 🦴 PositioningComplete orbit X-ray positioning guide for rad techs — modified occipito-mental, OM 30° caudad, optic foramina oblique, and lateral views with Clark's centering points, evaluation criteria, and ARRT exam tips.
August 3, 2026 🦴 PositioningComplete nasal bone X-ray positioning guide for rad techs — lateral, PA, Waters, and superoinferior tangential views with Clark's centering points, evaluation criteria, ARRT exam tips, and practice questions.
July 29, 2026 🦴 PositioningComplete SI joint positioning guide — AP axial (15° cephalic Ferguson method), RPO/LPO oblique projections with Clark's centering points, evaluation criteria, and ARRT exam tips for radiologic technologists.
July 27, 2026 💼 CareerComplete radiologic technologist resume and interview guide — cover letter tips, common interview questions, salary negotiation strategies, and job search advice for new rad tech graduates entering the medical imaging field.
July 27, 2026 🦴 PositioningComplete tibia and fibula positioning guide — AP & lateral views with Clark's centering points, joint inclusion rules, leg-length imaging methods, ARRT exam tips, and practice questions for rad techs.
July 26, 2026 🔬 PhysicsEssential radiation biology guide for rad techs — cell damage mechanisms, deterministic vs stochastic effects, tissue radiosensitivity, and ARRT exam prep with practice questions.
July 25, 2026 🦴 PositioningComplete zygomatic arch X-ray positioning guide — SMV, tangential jug handle, AP axial Towne, and PA axial Titterington views with Clark's centering points, evaluation criteria, and ARRT exam tips for rad tech students.
July 24, 2026 💼 CareerComplete CT technologist career guide — ARRT post-primary certification pathways, salary ($68K-$82K), job duties, education requirements, clinical competencies, and CT registry exam prep for rad tech students.
July 24, 2026 🦴 PositioningComplete paranasal sinus X-ray positioning guide — Waters, Caldwell, lateral, SMV, and open-mouth views with Clark's centering points, evaluation criteria, and ARRT exam tips for rad tech students.
July 23, 2026 🦴 PositioningComplete humerus X-ray positioning guide for rad techs — AP, lateral, and transthoracic (Lawrence method) views with centering points, SID, IR sizing, evaluation criteria, and ARRT exam tips.
July 22, 2026 🦴 PositioningComplete TMJ X-ray positioning guide — axiolateral (Schüller method), PA transoral, and AP axial views with Clark's centering, open vs closed mouth comparison, and ARRT exam tips.
July 22, 2026 🫁 PositioningMaster routine and special chest projections with centering, breathing instructions, image evaluation criteria, common errors, and ARRT-style questions.
July 21, 2026 🎗️ MammographyComplete guide to CC and MLO positioning, compression technique, implant-displaced views, common errors, and ACR quality standards.
July 20, 2026 🦴 PositioningComplete scoliosis series positioning guide for rad techs — PA, lateral, and bending views with Cobb angle measurement, Clark's references, curve classification, and ARRT exam tips.
July 20, 2026 👴 Patient CareComplete guide to geriatric radiography — positioning adaptations for osteoporosis and arthritis, fall prevention strategies, communication with cognitively impaired patients, dose optimization, and ARRT exam prep.
July 19, 2026 🦴 PositioningMaster scapula positioning for rad techs — AP & lateral Y views with breathing technique, centering points, trauma protocol, image critique, and ARRT-style review questions.
July 18, 2026 🤝 Patient CarePractical guidance on equipment limits, positioning adaptations, exposure adjustments, safe transfers, dose control, and compassionate care.
July 17, 2026 🦴 PositioningComplete mandible X-ray positioning guide for rad techs — axiolateral oblique with rotation guide (0° ramus, 30° body, 45° mentum), PA axial, and AP axial Towne method with Clark's centering points and ARRT exam tips.
July 17, 2026 🦴 PositioningMaster PA, lateral, and RAO sternum views with centering points, breathing technique, image criteria, common errors, and ARRT exam tips.
July 16, 2026 🦴 PositioningMaster clavicle X-ray positioning for rad techs — AP and AP axial (cephalic) views with Clark's centering points, technique charts, trauma considerations, companion shadow identification, and ARRT exam tips.
July 15, 2026 🦴 PositioningMaster shoulder X-ray positioning for rad techs — AP internal/external rotation, Grashey (true AP), scapular Y-view, axillary lateral, and trauma shoulder series. Centering points, evaluation criteria, and ARRT exam prep questions.
July 15, 2026 🦴 PositioningThoracic & lumbar spine positioning guide for radiography students — AP, lateral, swimmer's, oblique, spot L5-S1 and scoliosis views with centering points, evaluation criteria, and ARRT exam tips.
July 14, 2026 🦴 PositioningComplete elbow X-ray positioning guide for rad techs — AP, lateral, oblique, and radial head views with Clark's centering points, technique charts, fat pad sign interpretation, Coyle method, and ARRT exam tips.
July 13, 2026 🦴 PositioningAdvanced cervical spine X-ray positioning guide — trauma clearance protocols, ABCS evaluation method, normal variants vs fractures, CT junction imaging, and ARRT-level practice questions for rad techs.
July 13, 2026 🦴 PositioningComplete pelvis X-ray positioning guide for rad techs — AP pelvis, Judet views (obturator and iliac oblique), inlet and outlet projections, trauma considerations, centering, IR sizes, and ARRT exam tips for each projection.
July 12, 2026 🦴 PositioningAdvanced rib X-ray positioning — clinical decision-making for PA vs AP vs oblique, specialized lordotic projections, CT imaging algorithms, normal variants that simulate fractures, and pathology recognition for rib metastases, osteomyelitis, and non-accidental trauma.
July 11, 2026 🦴 PositioningMaster femur X-ray positioning — AP full-length, lateral recumbent, and horizontal beam lateral (trauma) views with Clark's centering points, technique charts, evaluation criteria, and ARRT exam tips for rad techs.
July 10, 2026 💉 Patient CareHIPAA compliance for radiologic technologists — protected health information (PHI), minimum necessary rule, patient privacy in imaging areas, voice and data security, breach reporting, and real-world case scenarios for rad techs.
July 10, 2026 💡 EducationSystematic approach to radiographic image critique — evaluating positioning, collimation, exposure factors, anatomical coverage, and image quality. Templates for clinical image evaluation and ARRT exam preparation.
July 09, 2026 🦴 PositioningComplete sacrum and coccyx X-ray positioning guide — AP sacrum (15° cephalad), AP coccyx (10° caudad), and lateral views with Clark's centering points, technique charts, evaluation criteria, and ARRT exam tips.
July 8, 2026 💉 Patient CareInfection prevention for rad techs — hand hygiene, standard precautions, transmission-based precautions, equipment disinfection protocols, isolation patient imaging workflow, and COVID-19 and emerging pathogen considerations.
July 08, 2026 💉 Patient CareEffective patient communication techniques for rad techs — explaining procedures, managing anxious patients, communicating with pediatric and geriatric patients, cultural sensitivity, and plain language strategies for informed consent.
July 07, 2026 🦴 PositioningComplete facial bones X-ray positioning guide for rad techs — Waters (parietoacanthial), modified Waters, Caldwell, lateral facial bones, SMV, and nasal bone views with Clark's centering points, evaluation criteria, and ARRT exam tips.
July 06, 2026 🛡️ SafetyEvidence-based pediatric dose reduction for rad techs — Image Gently campaign principles, size-based technique adjustments, shielding protocols, immobilization to avoid repeats, and dose monitoring for CT and X-ray.
July 06, 2026 🔬 ProceduresHSG procedure guide for rad techs — contrast instillation, fluoroscopic imaging sequence, tubal patency, normal vs pathology findings, and post-procedure care.
July 5, 2026 🔬 ProceduresExcretory urography (IVU/IVP) guide — patient preparation, contrast injection timing, sequence of radiographs (scout, nephrogram, pyelogram, post-void), compression techniques, and alternative imaging for renal stones.
July 4, 2026 🔬 ProceduresComplete guide to barium contrast studies for rad techs — upper GI series, small bowel follow-through, barium enema preparation, double-contrast technique, fluoroscopic positioning, and contraindications.
July 03, 2026 🦴 PositioningComplete skull X-ray positioning guide for rad techs — lateral skull, PA, PA axial (Caldwell), AP axial (Towne), AP, and SMV projections with Clark's centering points, evaluation criteria, and ARRT exam tips.
July 03, 2026 💉 Patient CareEssential guide to contrast extravasation for rad techs — risk factors, signs and symptoms, severity classification, immediate management steps, documentation requirements, and patient follow-up protocols.
July 02, 2026 🦴 PositioningComplete hip X-ray positioning guide for rad techs — AP hip, frog-leg lateral, cross-table lateral, and Dunn method projections. Centering points, IR sizes, trauma considerations, and ARRT exam tips included.
July 01, 2026 🔧 TechnologyComplete guide to digital X-ray artifacts — CR plate artifacts (scratches, static, erasure), DR detector artifacts (dead pixels, calibration errors), grid artifacts, motion artifacts, and software processing artifacts with troubleshooting tips.
July 01, 2026 ⚡ PhysicsMaster automatic exposure control (AEC) in radiography: chamber selection, backup timer safety, density controls, and ARRT exam tips for technologists.
June 30, 2026 📖 EducationLearn how to choose the right radiologic technology program — compare JRCERT accreditation, clinical rotation quality, program costs, and ARRT pass rates to find the best career fit.
June 29, 2026 ⚡ PhysicsComprehensive guide to exposure technique charts for rad techs — fixed kVp vs variable kVp, AEC chamber setup, body habitus adjustments, EI targets, and ARRT exam prep.
June 28, 2026 💡 TechnologyComprehensive quality control program for radiography — daily QC checks for DR and CR systems, phantom testing, spatial resolution and contrast tests, AEC calibration, collimation accuracy, and regulatory compliance.
June 27, 2026 ⚡ PhysicsMaster scatter control: grid ratio, Bucky factor, 4 types of cutoff, air-gap technique, and evidence-based grid selection for the ARRT exam.
June 26, 2026 💡 TechnologyPACS and DICOM fundamentals every rad tech should know — image acquisition, storage, and retrieval, DICOM modalities and tags, HL7 interfaces, RIS-PACS integration, image compression, and troubleshooting connectivity issues.
June 26, 2026 📖 EducationMaster your clinical rotations with this complete guide — ARRT competency requirements, professional conduct tips, clinical success strategies, and how to pass every check-off.
June 24, 2026 💡 PhysicsMaster digital image processing — histogram analysis, LUTs, edge enhancement, and multi-frequency techniques for optimal image quality.
June 24, 2026 🔬 TechniquesC-arm fluoroscopy guide for rad techs — sterile-field protocol, OR positioning for common surgical procedures, NRC dose limits, and image troubleshooting.
June 23, 2026 📍 PositioningStep-by-step forearm X-ray positioning guide — AP and lateral forearm projections, radius and ulna technique, centering points, common errors, evaluation criteria, and ARRT exam tips for rad techs.
June 22, 2026 💡 TraumaComplete guide to trauma radiography — ATLS imaging protocols, cross-table lateral views, horizontal beam techniques, trauma series (cervical, chest, pelvis), and communication in the trauma bay.
June 21, 2026 🔬 TechniquesMaster portable X-ray technique — positioning patients in bed, trauma cart radiography, ICU chest X-rays, mobile C-arm guidance, radiation safety for portable exams, and image quality considerations.
June 20, 2026 🩻 Chest X-RayMaster portable chest X-ray technique — AP positioning methods, SID guidelines, grid decisions, common errors, ARRT exam prep, and evaluation criteria.
June 19, 2026 🔊 UltrasoundTwo breakthroughs in water-immersion whole-body ultrasound in one article: Caltech's research-grade ultrasound tomography and Midjourney Medical's commercial Ultrasonic CT scanner with Butterfly Network chips.
June 19, 2026 💡 PediatricsComplete guide to pediatric radiography for rad techs — immobilization techniques, modified positioning for children, dose reduction strategies, gonadal shielding, and age-appropriate communication.
June 19, 2026 📍 PositioningStep-by-step foot and ankle X-ray positioning — AP, oblique, lateral foot views; AP, mortise, lateral ankle views; axial calcaneus projection. Weight-bearing vs non-weight-bearing considerations.
June 18, 2026 📖 EducationComplete guide to radiography program accreditation — what JRCERT accreditation means, how to find accredited programs, and why accreditation matters for ARRT exam eligibility and your rad tech career.
June 17, 2026 📍 PositioningComplete positioning guide for hand, wrist, and finger X-rays — PA, oblique, lateral, scaphoid views, and special projections for the thumb and digits. Common errors and evaluation criteria.
June 17, 2026 📍 PositioningUpper extremity X-ray positioning guide — hand, wrist, and elbow projections with Clark's centering points, technique charts, common positioning errors, and ARRT exam tips for rad techs.
June 15, 2026 ⚡ PhysicsComplete guide to kVp and mAs — how kilovoltage and milliamperage affect X-ray beam quality, image density, contrast, patient dose, and technique chart development for rad techs.
June 12, 2026 📍 PositioningMaster abdominal X-ray positioning — AP supine, erect, and left lateral decubitus with Clark's centering points. Common positioning errors, quality checks, and ARRT exam tips.
June 1, 2026 📚 Study NotesComprehensive study reference — physics formulas, positioning landmarks, contrast media, dose limits, patient care essentials, and exam prep for ARRT and RTLE.
May 29, 2026 🧲 MRIMRI physics explained for MR tech students — T1/T2 relaxation, Larmor frequency, gradient coils, pulse sequences, RF coils, and MRI safety concepts.
May 29, 2026 ⚛️ Nuclear MedAnger camera physics, planar imaging, SPECT vs PET, Tc-99m generator, radionuclides, annihilation coincidence detection, and NM quality control.
May 29, 2026 🔊 UltrasoundComplete guide to uses of sonography — abdominal, OB/GYN, vascular Doppler, MSK, interventional, POCUS (FAST), breast, and neonatal applications.
May 29, 2026 📖 EducationA complete introduction to radiography — how X-ray imaging works, the role of the rad tech, major modalities, radiation safety, and how to start a career in radiologic technology.
May 29, 2026 ⚡ PhysicsBremsstrahlung and characteristic radiation explained — how the X-ray tube generates photons, the emission spectrum, and the complete production chain from cathode to collimation.
May 29, 2026 🔄 CTCT physics fundamentals — Hounsfield units (CT numbers), window width and level, helical/spiral scanning, pitch, CT dose metrics, and image reconstruction techniques.
May 29, 2026 ⚙️ PhysicsHow kVp and mAs control image quality — density vs contrast, the 15% rule, scatter radiation, grid ratios, technique charts, and troubleshooting poor X-ray images.
May 29, 2026 Patient CareComplete guide to patient care for rad techs — communication techniques, ethical principles, radiation safety protocols, informed consent, and ARRT exam prep essentials.
May 29, 2026 🎯 InteractiveInteractive randomized question bank for the Philippine Radiologic Technologist Licensure Exam. Pick your clusters, get instant feedback with explanations.
May 27, 2026 · 100 questions 🇵🇭 CareerComplete RTLE prep guide covering 5 subject clusters, 12-week plan, pass rates, PRC requirements, and PART resources.
May 27, 2026 ModalitiesCompare DR and CR digital X-ray technology — image quality, workflow differences, dose efficiency, cost analysis, and which system is right for your clinical setting.
May 27, 2026 CareerComplete career roadmap — accredited programs, ARRT certification, clinical training, salary expectations, and tips for success.
May 24, 2026 PositioningLearn to interpret chest X-rays with a systematic ABCDE approach — PA positioning, normal anatomy, common pathologies, and ARRT exam prep tips.
May 24, 2026 CareerProven study strategies, high-yield topics, and test-day tips from a former radiography instructor.
May 12, 2026 PositioningStep-by-step positioning for routine and special knee projections. Perfect for clinicals.
May 12, 2026 ModalitiesPractical comparison of CT and MRI — strengths, weaknesses, contraindications, and clinical scenarios.
May 12, 2026 PhysicsBeginner-friendly guide to the physics fundamentals every rad tech needs.
May 12, 2026 CareerComplete salary data by state, modality, and experience — US, Canada, and international.
May 12, 2026 SafetyEssential ARRT exam prep covering ALARA, shielding, dose limits, pregnancy protocols, and positioning strategies.
May 19, 2026 💉 Patient CareComplete guide to contrast media for rad techs — ionic vs nonionic types, IV and oral administration, adverse reaction management, patient screening, and ARRT exam protocols.
June 8, 2026 🛡️ Radiation SafetyLearn why lead aprons for patients are obsolete — AAPM, ACR, and NCRP guidelines explained. And no, ALARA is not gone.
June 14, 2026 🔬 ModalitiesMaster fluoroscopy — C-arm equipment, image intensifiers vs flat-panel detectors, pulsed fluoroscopy, radiation safety, staff protection, and ARRT exam prep.
June 10, 2026