Lesson 1Use of gadolinium-based contrast agents: indications, contraindications, and NSF risk mitigationThis part reviews gadolinium contrast workings, reasons for use, and dosing, then covers reasons against use, NSF risks, screening, and ways to cut risks while keeping good image quality and clinical benefits.
Gadolinium chelate types and stability classesClinical indications in neuro and MSK MRIRenal function assessment and eGFR thresholdsContraindications and high‑risk patient groupsNSF pathophysiology and risk reduction stepsInformed consent and documentation practicesLesson 2Sequence selection and parameter adjustments to trade image contrast, spatial resolution, and scan timeThis part covers how choosing sequences and settings affects contrast, detail, and scan time, teaching real trade-offs with TR, TE, flip angle, FOV, matrix, and parallel imaging in standard plans.
TR, TE, and flip angle fundamentalsAdjusting contrast with sequence familiesBalancing spatial resolution and SNRScan time, averages, and parallel imagingFOV, matrix, and slice thickness choicesProtocol optimization for clinical questionsLesson 3Safety zones, zone access control, and patient monitoring inside MRI (hearing protection, emergency response)This part defines MRI safety areas, access rules, and staff duties, then covers patient watching, ear protection, emergency steps, and safe handling of codes or quench events in the MRI space.
ACR MRI safety zones I–IV layoutControlled access and staff responsibilitiesScreening before zone III and IV entryHearing protection selection and fittingPhysiologic monitoring and alarms in MRIEmergency response, code and quench plansLesson 4Artifacts in MRI and how they affect interpretation: motion, susceptibility, chemical shift, and their mitigationThis part explains common MRI artefacts, their causes and looks, focusing on movement, susceptibility, and chemical shift, then gives practical ways to spot, lessen, or use artefacts for correct image reading.
Patient motion and ghosting artifactsFlow and pulsation artifacts in neuro MRIMagnetic susceptibility and metal artifactsChemical shift and India ink artifactsAliasing, wraparound, and truncationSequence and parameter tweaks to reduce artifactsLesson 5Basic MRI signal formation: hydrogen nuclei, T1 and T2 relaxation, proton density, and image contrast mechanismsThis part introduces MRI signal from hydrogen atoms, Larmor spinning, and resonance, then explains T1 and T2 relaxation, proton density, and how these create contrast in clinical MRI images.
Hydrogen nuclei, spin, and Larmor frequencyRF excitation, resonance, and signal inductionT1 relaxation and longitudinal recoveryT2 relaxation and transverse decayProton density and its role in contrastFactors influencing overall image contrastLesson 6Patient preparation for MRI musculoskeletal and neuro exams (positioning, coils, immobilisation, and comfort measures)This part details prepping patients for bone/joint and brain MRI, including screening, positioning, coil picks, holding, and comfort tips, to get best images while cutting movement, worry, and redo scans.
Pre‑exam screening and patient educationPositioning for spine and brain MRIPositioning for joints and extremity MRICoil selection and placement optimizationImmobilization devices and motion controlComfort, anxiety reduction, and sedationLesson 7MRI safety screening: ferromagnetic hazards, implants, pacemakers, and the safety questionnaire workflowThis part outlines MRI safety screening steps, stressing magnetic hazards, implants, and heart devices, and explains reading device labels, handling allowed implants, and recording clearance choices.
Ferromagnetic object and projectile risksStandard MRI safety questionnaire itemsPacemakers and cardiac device categoriesMR Safe, MR Conditional, MR Unsafe labelsHandling aneurysm clips and neurostimulatorsDocumentation and communication of clearanceLesson 8Common MRI sequences relevant to musculoskeletal and neuro imaging: T1-weighted, T2-weighted, FLAIR, DWI, GRE/SWI, proton density, and STIRThis part reviews main MRI sequences for bone/joint and brain imaging, describing contrast features, usual uses, and limits of T1, T2, FLAIR, DWI, GRE or SWI, proton density, and STIR.
T1‑weighted sequences and main indicationsT2‑weighted and fluid‑sensitive imagingFLAIR for parenchymal and CSF pathologyDWI and ADC for acute ischemia and tumorsGRE and SWI for blood and calcificationPD and STIR in joint and marrow evaluation
