Introduction
RapidAI is a San Mateo, California clinical artificial intelligence company founded in 2012 that develops deep learning workflow solutions for life-threatening neurovascular, trauma, cardiac, and vascular conditions. Karim Karti serves as chief executive officer following a January 31, 2022 appointment per RapidAI’s official press release; Greg Albers, M.D., serves as chairman and remains a founding clinical leader per the leadership page reviewed in July 2026. RapidAI describes itself as the global leader in AI technology workflow solutions for acute care imaging, with more than one hundred twenty published papers featuring Rapid technology in 2023 alone.
At RSNA 2023 on November 27, RapidAI announced Rapid Edge Cloud — a hybrid cloud and on-premise platform — alongside a breakthrough non-contrast CT stroke suite and Class III Shonin clearance in Japan for advanced stroke imaging supporting mechanical thrombectomy decisions.
What the company does
RapidAI provides clinical decision support across stroke, trauma, and vascular imaging — from perfusion analysis that pioneered quantitative stroke assessment to non-contrast CT algorithms identifying suspected stroke on first scan without contrast administration. The November 2023 non-contrast suite includes Rapid NCCT Stroke, Rapid ASPECTS, Rapid Hypodensity, Rapid Hyperdensity, and Rapid SDH — tools Johns Hopkins Bayview chief of neuroradiology Dr. Vivek Yedavalli described as pioneering non-contrast CT after RapidAI pioneered perfusion imaging in stroke.
Rapid Edge Cloud is a hybrid healthcare platform enabling on-prem AI services to continue when hospitals cut cloud connectivity — allowing life-saving stroke workflows to proceed uninterrupted during outages or cyber incidents. The platform also supports third-party AI algorithm integration, positioning RapidAI as acute imaging infrastructure rather than a single-algorithm vendor.
RapidAI’s Lumina 3D product line addresses head and neck CTA reconstruction workflows — extending the platform beyond stroke into trauma and vascular service lines where manual reconstruction bottlenecks scanner throughput.
Who it serves
RapidAI serves comprehensive stroke centers, community hospitals expanding thrombectomy transfer protocols, trauma programs, and international health systems — including Japan’s second-largest stroke market where RapidAI achieved Class III Shonin clearance as the only advanced stroke imaging platform for mechanical thrombectomy support with MR-based perfusion, per the November 2023 release.
Stroke coordinators and neuroradiology directors evaluate RapidAI on door-to-treatment time impact, cloud resilience, PACS integration, and published clinical validation volume — over one hundred twenty papers in 2023 cited in official materials.
Company background
Albers, a Stanford stroke neurologist, founded RapidAI in 2012 to translate perfusion imaging research into clinical workflow software hospitals could deploy during acute stroke presentations. Karti succeeded prior CEO leadership in January 2022, bringing commercial scaling experience while Albers continued as chairman providing clinical credibility with stroke centers globally. RapidAI expanded from perfusion-first products into non-contrast CT and hybrid Edge Cloud as health systems demanded algorithms that function during connectivity failures and across diverse scanner fleets.
Product and AI capabilities
RapidAI applies deep learning to CT and MR imaging for automated quantification, anomaly detection, and workflow routing — pushing alerts to stroke teams and ED physicians within minutes of scan completion. Edge Cloud’s hybrid architecture reflects acute care reality: cloud analytics offer scalability but stroke decisions cannot wait for connectivity restoration during outages. Karti stated in the November 2023 release that breakthrough AI and Edge Cloud technology would take clinical decision support deeper across disease states beyond stroke.
Non-contrast CT algorithms address sites lacking immediate contrast availability or patients contraindicated for contrast — expanding stroke AI equity to community hospitals that transfer to thrombectomy centers rather than performing interventions locally.
Key developments
2012: RapidAI founded with Greg Albers, M.D., as clinical founder and chairman. January 31, 2022: Karim Karti appointed CEO (rapidai.com press release). November 27, 2023: Rapid Edge Cloud premiered; non-contrast CT stroke suite announced; Japan Class III Shonin clearance (official press release). 2023: Over 120 published papers featuring Rapid technology cited in release.
Rapid Edge Cloud availability varies by country per release footnote — Brel does not describe global availability where Aidoc footnotes restrict claims.
Why it matters
RapidAI matters because stroke care is time-critical infrastructure — algorithms that fail during cloud outages or require contrast workflows unavailable at community sites directly affect thrombectomy eligibility and patient outcomes. Edge Cloud’s hybrid design is a concrete 2023 product answer to hospital CIO resilience requirements that pure cloud imaging AI vendors struggle to satisfy. Non-contrast CT expansion lets RapidAI address equity-of-care arguments Yedavalli raised — increasing access wherever patients present first.
RapidAI complements broad radiology platform vendors like Aidoc — RapidAI owns acute neurovascular pathways while Aidoc spans triage and reporting across modalities. Many stroke centers evaluate both for different workflow moments.
Sector context
RapidAI belongs in Brel’s AI in healthcare coverage under medical imaging AI and acute care decision support, related to Aidoc, Enlitic data infrastructure, and Lunit oncology detection. Readers should verify Edge Cloud and non-contrast product availability in their country before procurement — RapidAI release footnotes restrict some claims geographically.
Stroke program directors comparing RapidAI to hospital-built alert rules should require peer-reviewed outcome data and transfer protocol integration evidence — minutes saved on ASPECTS scoring matter only when they change treatment decisions, not dashboard metrics alone.
Sources and references
RapidAI Edge Cloud press release (November 27, 2023) and Leadership page.
- RapidAI — Edge Cloud platform premiere (rapidai.com, November 27, 2023)
- RapidAI — Leadership (rapidai.com)
Reviewed July 10, 2026. Karim Karti is CEO; Greg Albers, M.D., is chairman.