ARKA Clinical Decision Support is designed to meet all four criteria for Non-Device CDS under FD&C Act §520(o)(1)(E) and FDA's January 2026 final guidance on Clinical Decision Support Software. Recommendations support, not replace, the clinician's judgment. Every recommendation is anchored in a published guideline or peer-reviewed source, with the basis available for independent review. CLIN emphasizes imaging appropriateness at order entry.
This recommendation is intended to support, not replace, clinical judgment. It is generated by ARKA, software designed to meet the four criteria for Non-Device Clinical Decision Support under FD&C Act §520(o)(1)(E) and FDA's final guidance on Clinical Decision Support Software (January 2026). The clinician is responsible for the final decision.
AIIE Evidence
MRI for suspected internal derangement when mechanical symptoms persist post-X-ray and surgery is a realistic option.
MRI is the right study for mechanically symptomatic suspected meniscal or ligamentous injury — after radiographs and typically after symptoms persist despite initial conservative care, in patients for whom arthroscopic or reconstructive surgery is realistic.
The AIIE synthesis above is ARKA-authored; the sources below are the underlying external literature.
New England Journal of Medicine · 2013doi:10.1056/NEJMoa1301408
BMJ · 2017doi:10.1136/bmj.j1982
American College of Radiology · 2024