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
EXPEDITE: suspected cauda equina syndrome requires emergent lumbar MRI and same-day surgical consultation.
Saddle anesthesia, urinary retention or incontinence, bilateral leg weakness, or new sphincter dysfunction with back pain constitutes suspected cauda equina syndrome — a surgical emergency where decompression timing determines continence and motor outcomes.
The AIIE synthesis above is ARKA-authored; the sources below are the underlying external literature.
The Lancet · 2009doi:10.1016/S0140-6736(09)60172-0
American College of Radiology · 2024
The Lancet · 2018doi:10.1016/S0140-6736(18)30480-X