Audience: medical students and residents

Learning goals:
Compare and contrast types of contrast
Compare and contrast MRI and CT
Select the appropriate diagnostic imaging modality for common clinical scenarios using ACR eligibility criteria

Resume:
Oral contrast is not essential and is poorly tolerated
“Without and with IV contrast” – rarely indicated for CT
“Without and with IV” – standard for MR when using contrast
Use the ACR Appropriateness Criteria to select the best modality

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