Evaluation of Gadolinium Based Contrast Agents for Portable MR Imaging Systems

Exclusion Criteria

• •Participants will be excluded if they meet any of the following criteria:
• •Metallic clips or devices in the brain or eye.
• •Body weight greater than 200 kg.
• •Inability to fit or be positioned appropriately within the Swoop® Portable MR Imaging® System.
• •Inability to remain still or lie flat during the imaging period.
• •Not cleared for GBCA administration due to known hypersensitivity, allergy, or contraindication.
• •Severe renal impairment (eGFR \< 30 mL/min/1.73 m²) or acute kidney injury.
• •History of severe reaction to any gadolinium-based contrast agent.
• •GBCA administration within the prior 48 hours (or alternative clearance window defined by institution)
• •Known or suspected pregnancy at the time of imaging.
• •Any medical or behavioral condition that, in the investigator's judgment, would make participation unsafe or interfere with study completion.
• •Subjects may be selectively enrolled or excluded to ensure inclusion of radiology finding subgroups and GBCA agents.