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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.
For the VP of Imaging Services
VP of Imaging Services / imaging service-line administrator
You don't need another scanner. You need the one you have to finish more studies. Radiologist attrition is running at more than twice the rate of a decade ago, and practices are consolidating. Published auto-protocoling moved outpatient CT from 9% to 65.8% automatically protocoled across 317,597 examinations — and no department has been shown its own protocol-variance number. The first thing we give you is that number, not a demo.
Your scorecard
The KPIs your board and leadership team track — where imaging leakage shows up first.
The problem
Benchmark-backed pain points tied to the metrics you own.
>2× attrition vs a decade agoMeasured
Radiologist workforce attrition more than doubled from 1.1% (2014) to 2.5% (2022). Practices with affiliated radiologists shrank while headcount per practice rose — fewer shops, more load on each remaining reader.
9% → 65.8% outpatient CTMeasured
An institution-wide rules-based system moved outpatient CT from 9.0% automatically protocoled in the pilot phase to 65.8% after implementation, across 317,597 examinations. The yield is in the protocol step, not another gantry.
No published department numberMeasured
A 24 August 2026 scan of public product pages found no named protocol-variance measurement feature from an imaging operator, PACS/RIS vendor, or radiology-AI vendor. The free read is that census on your book — give first, then talk.
The fix
Each lever maps to a pain above — same order, same grid, so the pairing is obvious.
The protocol-variance census is published from a declared synthetic dataset, labelled illustrative. You get the method and a number — not a meeting request and not a demo theatre.
The published auto-protocoling deployment is the existence proof that protocol assignment is a yield lever. ARKA's product is in build; this briefing does not claim software that ships today.
Attrition at more than twice the rate of a decade ago is the constraint. Showing variance is how a service-line lead argues for protocol work instead of another scanner requisition.
The numbers
Modeled or published figures — labeled with their basis.
65.8%
outpatient CT auto-protocoled post-implementation
measured — 30,319/46,066 of 317,597 examinations
Evidence
What we bring to the conversation — sourced from the ARKA buyer playbook.
Pushback
The concerns we hear most — and how we address them.
Then the question is your residual variance, not whether a rules engine exists. The published 9% → 65.8% figure is one site's deployment — the free read is yours.
Give first. The CTA is the free protocol-variance read, not a demo. The product page is honest about what is in build.
Capital does not fix attrition at twice the decade-ago rate. The argument is yield on the fleet you have.
Your agenda
Three questions to put on the table — we'll answer with your data, not generic slides.
Question 1: What share of your outpatient CT is auto-protocoled today, and who measures it?
Question 2: Has anyone shown this department its own protocol-variance number?
Question 3: When a protocol queues for a radiologist, what is the delay to assignment on a typical outpatient day?
Explore
Jump into the modules most relevant to your seat.
Give the protocol-variance read first. If the number is real, a working session on residual manual protocoling follows — not a product tour.
Quick answers
No. The CTA is the free protocol-variance read. A demo request is the wrong first ask.
No. The imaging-operations page publishes honest status. The census is a public artefact; the protocoling product remains in build.
Give the protocol-variance read first. If the number is real, a working session on residual manual protocoling follows — not a product tour.
