Information About Radiology
Category Hardware Limitation Term Gradient Nonlinearity Definition of Gradient Nonlinearity Deviation From Linear Gradient Fields Causing Spatial Distortion Especially At Periphery Notes About Gradient Nonlinearity Corrected By System Calibration And Software
Category Radiographic Sign Term Air Fluid Level Definition of Air Fluid Level Horizontal Interface Between Air And Fluid Indicating Cavity Or Hollow Organ With Both Components Notes About Air Fluid Level Seen In Bowel Obstruction, Abscess, And Pleural Effusion
Category Genitourinary Imaging Term Scrotal Ultrasound Definition of Scrotal Ultrasound High Resolution Imaging Of Testes, Epididymis, And Scrotal Contents For Torsion, Tumor, And Infection Notes About Scrotal Ultrasound Requires Doppler For Vascular Assessment
Category Positioning Aid Term Head Rest Definition of Head Rest Adjustable Support For Patient Head Positioning In Skull And Cervical Imaging Notes About Head Rest Improves Reproducibility
Category Professional Effort Term Standardization Initiatives Definition of Standardization Initiatives Programs To Harmonize Acquisition, Reconstruction, And Quantitation Across Sites And Vendors Notes About Standardization Initiatives Facilitates Multicenter Trials And AI Development
Category RL Algorithm Term Q Learning Definition of Q Learning Off Policy RL Algorithm That Learns Action Value Function Q(s,a) To Derive Optimal Policy Notes About Q Learning Tabular And Deep Variants Exist (DQN)
Category Sterility Accessory Term C Arm Cover Definition of C Arm Cover Disposable Sterile Cover For C Arm During Interventional Procedures Notes About C Arm Cover Maintains Sterile Field
Category Facility Feature Term Wheelchair Accessible Bathroom Definition of Wheelchair Accessible Bathroom Restroom Designed For Accessibility For Patients With Mobility Limitations Notes About Wheelchair Accessible Bathroom Compliant With Regulations
Category Telemedicine Term Remote Mentoring Definition of Remote Mentoring Real Time Guidance Of Scanning By A Distant Expert Via Live Image Sharing Notes About Remote Mentoring Supports Training And Quality
Category Grid Parameter Term Grid Ratio Definition of Grid Ratio Height Of Grid Strips Divided By Interspace Width Affecting Scatter Rejection Notes About Grid Ratio Higher Ratios Improve Scatter Rejection But Increase Technique