Pretraining
Category Training Strategy Term Pretraining Definition of Pretraining Initial Training On Large Generic Datasets To Learn Transferable Representations Notes About Pretraining Followed By Fine Tuning For Specific Tasks
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Wheelchair Ramp
Category Accessibility Aid Term Wheelchair Ramp Definition of Wheelchair Ramp Portable Ramp To Facilitate Wheelchair Access To Imaging Tables Or Rooms Notes About Wheelchair Ramp Supports Accessibility
Macroaggregated Albumin (MAA)
Category Perfusion Agent Term Macroaggregated Albumin (MAA) Definition of Macroaggregated Albumin (MAA) Tc-99m Labeled Particles That Temporarily Lodge In Pulmonary Capillaries For Perfusion Imaging Notes About Macroaggregated Albumin (MAA) Particle Number And Size Must Be Controlled
Gradient Nonlinearity
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
Air Fluid Level
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
Scrotal Ultrasound
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
Head Rest
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
Standardization Initiatives
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
Q Learning
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)
C Arm Cover
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