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 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 ⚡ PhysicsAEC fundamentals for rad techs — phototimers and ionization chambers, detector chamber selection, backup timer settings, minimum response time, density controls, and common AEC troubleshooting.
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 ⚡ PhysicsGuide to exposure technique charts for rad techs — fixed kVp vs variable kVp charts, AEC technique charts, body habitus adjustments, pediatric technique modifications, and digital radiography exposure management.
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 radiographic grids for the ARRT exam — grid ratios, Bucky factor, focused vs parallel grids, air gap technique, and how anti-scatter grids improve X-ray image quality.
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 🔬 TechniquesO.R. radiography and C-arm operation guide — sterile field protocol, C-arm positioning for orthopedic surgery, intraoperative imaging, radiation safety in the OR, and common surgical procedures requiring fluoroscopy.
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 for rad techs — AP positioning methods, SID guidelines, grid decisions, common errors, evaluation criteria, and ARRT exam tips for mobile radiography.
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 📍 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 and evaluation criteria.
June 16, 2026 📍 PositioningPositioning guide for thoracic and lumbar spine radiography — AP, lateral, spot lateral, and oblique projections. Centering points, breathing instructions, and evaluation of scoliosis series.
June 15, 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 📍 PositioningStep-by-step cervical spine X-ray positioning — AP open mouth, lateral, swimmer's, oblique, and flexion-extension views. Trauma precautions, centering, and evaluation criteria for each projection.
June 13, 2026 📍 PositioningComplete pelvis X-ray positioning guide for rad techs — AP pelvis, Judet views, inlet and outlet projections. Centering, IR size, trauma considerations, and ARRT exam tips.
June 12, 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 rib X-ray positioning — PA, AP, oblique, and anterior rib projections. Learn centering points, breathing techniques, and evaluation criteria for diagnosing rib fractures.
June 11, 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 🇵🇭 CareerEverything you need for the Philippine Radiologic Technologist Licensure Exam — subject breakdown, study 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