Image Wisely, a joint initiative of ACR, RSNA, ASRT and AAPM,
provides information to the medical community to promote safety in medical imaging.

Safety Cases

Image Wisely® is pleased to present our free series of online and mobile-compatible educational modules. Our Safety Cases are interactive slide presentations with case-based questions that allow you to firstly improve, and then assess, your understanding of important safety concepts in medical imaging.

Each case will present its own specific learning objectives, a case overview, interactive case challenges, key takeaways, a summary discussion, and a quiz to assess your understanding of the material. Upon successful completion of the quiz and the case evaluation survey, participants will have earned, and can claim, their CE credit.

The target audiences for Image Wisely Safety Cases are radiologic technologists, medical physicists, and radiologists. The cases may also be useful for referring physicians, radiology administrators, and other healthcare personnel.

Step-by-step instructions on accessing the cases are available here.

Disclosure of Conflicts of Interest

The ACR Disclosure Policy: In compliance with ACCME requirements and guidelines, the ACR has developed a policy for disclosure and review of potential conflicts of interest, and a method for resolution if a conflict does exist. The ACR maintains a tradition of scientific integrity and objectivity in its educational activities. In order to preserve these values and ensure its educational activities are independent and free of commercial bias, all individuals, including planners, presenters, moderators and evaluators, participating in an ACR educational activity, or an activity jointly provided by the ACR must disclose all relevant financial relationships with any commercial interest.

The following planners and managers have no financial relationships to disclose:
Dustin A. Gress, MS; Wil Creech, BS; Priscilla F. Butler, MS [ret.]

Most Recent

Case 14: Fundamental MRI Safety: Electromagnetic (EM) Fields

This Image Wisely Safety Case is designed to enhance learner competence on the physics and physiology underpinnings of many of the contemporary clinical MRI safety considerations in MRI patient care.

Previous Cases

Case 13: Portable Chest X-rays through Glass during the COVID-19 Pandemic

CE and CME currently unavailable

While chest radiographs are not recommended to screen for COVID-19, portable chest x-rays are often ordered in the work-up for a complicated pneumonia and may have a role for ED patients or patients needing hospital admission with suspected or known COVID infection.

Case 12: Low Dose Renal CT

CE and CME currently unavailable

Appropriate imaging of patients with renal colic can be accomplished by following published guidance and engaging the radiology care team. This case discusses how to choose and optimize imaging for patients with suspected urolithiasis or nephrolithiasis.

Case 11: Image Wisely During CT-guided Procedures in Pregnant Patients

what we are reading

CE and CME currently unavailable

Appropriate imaging and management of pregnant patients with acute appendicitis is critical to decrease the risks to the mother and fetus. This case discusses how to decrease patient and fetal dose while safely performing a procedure by applying several dose reduction methods.

Case 10 (special edition): Child-sizing CT Dose: Optimizing Patient Care Through Quality Improvement – Pediatric and Adult Imaging

CE and CME currently unavailable

Developed by Image Gently® and designed to provide practical explanations of some of the newer technologies and terminology in CT scans, this case reviews quality improvement as it relates to the performance of CT imaging. It discusses radiation risk and the relationship of image quality to patient dose.

Case 9: Balancing Image Quality and Radiation Dose in Cardiac CT Angiography

CE and CME currently unavailable

Explains how cardiac CTA scan parameters affect radiation dose exposure and image quality and illustrates techniques to modify scan acquisition and image post-processing to improve this balance in cardiac CTA.

Case 8: C-arm Based Cone Beam CT in Interventional Radiology

CE and CME currently unavailable

Explains the basic concepts of C-arm based cone-beam CT and discusses the differences in determining patient radiation dose between cone-beam CT and multi-detector CT.

Case 7: Patient Skin Dose with Interventional Fluoroscopy: Metrics, C-Arm Geometry and Spectral Filtration

CE and CME currently unavailable

Emphasizes awareness of skin dose during interventional fluoroscopy, use of metrics, C-arm geometry and special filtration to optimize dose.

Case 6: Optimizing Radiation Use During a Difficult IVC Filter Retrieval

CE and CME currently unavailable

Emphasizes the importance of contingency planning and other factors influencing the amount of radiation needed to meet the patient's needs.

Case 5: Imaging Wisely When Evaluating for Pulmonary Embolism

CE and CME currently unavailable

Explains doses to patients and their impacted organs from CT and V/Q scans in the evaluation of pulmonary embolism.

Case 4: Technical Errors and Image Quality in Digital Radiography

CE and CME currently unavailable

Describes strategies to identify and correct technical errors to improve image quality and reduce dose in digital radiography.

Case 3: CT Brain Perfusion Dose Optimization

CE and CME currently unavailable

Describes basic scanning protocols and dose considerations in CT brain perfusion.

Case 2: Dose Management in Endovascular Image-Guided Neuro-Interventions

CE and CME currently unavailable

Describes the effective use of collimation and region of interest imaging to reduce dose during fluoroscopy.

Case 1: CT Dose and Size-Specific Dose Estimate (SSDE)

CE and CME currently unavailable

Explains common CT dose terms along with their proper usage and limitations.

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