qER-CTA

by Qure.ai Technologies  · Based in India → — Making healthcare more accessible and affordable using the power of artificial intelligence.
Emergency Medicine Neurology Radiology

Contact for pricing
Regulatory Status Disclosed

Overview

qER-CTA by Qure.ai is an advanced artificial intelligence solution designed to assist clinicians and radiologists in the rapid analysis and triage of head Computed Tomography Angiography (CTA) scans for suspected Large Vessel Occlusions (LVOs) in the brain’s anterior circulation. This FDA-cleared software reviews the internal carotid artery and the M1 segment of the middle cerebral artery in adults aged 22 and older. By identifying abnormal findings and sending immediate alerts, qER-CTA aims to expedite both triage and necessary interventions, significantly reducing time to treatment in emergency scenarios and strengthening clinical decision-making, particularly in cases that could lead to ischemic stroke. It integrates seamlessly into clinical workflows, complementing existing AI tools for critical CT findings and supporting healthcare professionals in time-sensitive emergencies.

Reviewed by Pouyan Golshani, MD — Interventional Radiologist

Key Features

  • AI-powered detection of Large Vessel Occlusions (LVOs) on CTA scans
  • Analyzes internal carotid artery (ICA) and M1 segment of the middle cerebral artery (MCA)
  • Immediate alerts for abnormal findings
  • Expedites triage and interventions for stroke
  • Integrates into clinical workflows
  • Computer-aided triage and notification (CADt) software
  • Operates as a parallel workflow tool, independent of standard of care
  • Mobile application available for previewing images (for informational purposes only)

Use Cases

  • Early detection of LVOs to prevent ischemic stroke
  • Rapid triage of emergency neurocritical cases
  • Assisting radiologists and clinicians in interpreting CTA scans
  • Reducing time to treatment in emergency scenarios
  • Enhancing clinical decision-making in acute stroke care

What Physicians Need to Know

Stroke Detection Speed
qER-CTA is designed to accelerate stroke care by rapidly detecting Large Vessel Occlusions (LVOs) on CT angiography (CTA) scans. The LVO detection models can produce results in less than 40 seconds. The broader qER suite has demonstrated a reduction in door-to-scan interpretation times by up to 96% and can accelerate communication of critical results to stroke teams within 5 minutes. This rapid analysis enables physicians to quickly identify stroke patients and initiate treatment faster, potentially reducing symptom-to-treatment time by 30-70%.
Brain CT Analysis
qER-CTA specifically analyzes CT angiography (CTA) scans of the brain to identify suspected Large Vessel Occlusions (LVOs). It focuses on evaluating the internal carotid artery (ICA) and the M1 segment of the middle cerebral artery (MCA) in adults aged 22 and older. The broader qER solution also analyzes non-contrast head CT (NCCT) scans for critical findings such as intracranial hemorrhage, mass effect, midline shift, and cranial fractures.
Large Vessel Occlusion Detection
qER-CTA is specifically cleared by the FDA to assist clinicians in detecting Large Vessel Occlusions (LVOs) in the brain from CTA scans. The algorithm provides adjunctive AI evaluation of the internal carotid artery (ICA) and M1 segment of the middle cerebral artery (MCA). The LVO detection models have achieved an overall combined accuracy of 90.9% with a sensitivity of 89.8% and specificity of 91.4%.
Triage Prioritization Speed
Upon detection of an LVO, qER-CTA automatically sends an alert to clinicians, which accelerates patient triage and the initiation of critical treatment. This capability enables faster triage and specialist notification in emergency care scenarios, complementing existing AI tools for critical CT findings and significantly reducing time to treatment. The broader qER solution also prioritizes critical cases on the radiology worklist.
ASPECTS Score Automation
The broader qER solution provides automated ASPECTS scoring for stroke severity, which is crucial for assessing eligibility for mechanical thrombectomy. Studies have shown moderate agreement between the automated software and radiologists for total ASPECTS scores.
Mobile Notification System
qER-CTA automatically sends immediate alerts to clinicians when an abnormal finding (LVO) is identified. A proprietary, HIPAA-compliant smartphone application allows physicians to receive notifications and alerts on their phones within minutes of imaging, view preview images, and facilitate critical care coordination.
Physician Tip

For acute stroke management, qER-CTA is a valuable AI tool for the rapid identification and triage of Large Vessel Occlusions (LVOs) on CTA scans. Leverage its automated alerts and mobile notifications to expedite specialist involvement and streamline workflow, aiming to significantly reduce time-to-treatment. Integrate its findings with other clinical parameters for comprehensive patient assessment. The automated ASPECTS scoring from the broader qER suite can further aid in assessing stroke severity and guiding treatment decisions.

qER-CTA is designed for seamless integration into existing computed tomography angiography (CTA) workflows. It provides case-level output available in PACS or workstations for worklist prioritization or triage. The system complements existing AI tools for critical CT findings and can be deployed as a cloud-based, hybrid, or locally virtualized solution. A dedicated mobile application facilitates timely alerts and remote viewing of critical scans, enhancing care coordination.

Details

Category Neurology AI, Radiology & Imaging AI, Triage & ER/ICU AI
Pricing Contact for pricing
DeploymentCloud-based; On-premise options available
Compliance
BAA AvailableUnknown AI-estimated
HIPAA CompliantUnknown AI-estimated
FDA Status 1 AI-estimated

Qure.ai's qER-CTA received U.S. Food and Drug Administration (FDA) 510(k) clearance as a radiological computer-aided triage and notification (CADt) software. It is intended to assist trained clinicians and radiologists in analyzing and triaging head CTA scans for suspected Large Vessel Occlusions (LVOs) in the anterior circulation (internal carotid artery and M1 segment of the middle cerebral artery) in adults aged 22 and older. This marks Qure.ai's 19th FDA clearance.

Integrations
EHR Not specified
Specialties Emergency Medicine, Neurology, Radiology

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Ease of Use
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Support & Docs
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Press & Coverage

Qure.ai (via various news outlets)
FDA Clears Qure.ai's New AI Solution for Early Detection of Large Vessel Occlusions
Qure.ai announced that the U.S. Food and Drug Administration (FDA) has granted clearance for its latest product, qER-CTA, an AI tool designed for the early detection of large vessel occlusions (LVOs) in the brain to prevent severe complications like ischemic stroke. This marks Qure.ai's 19th regulatory approval in the United States, strengthening its portfolio of AI-powered medical imaging tools.
2025-10
Qure.ai
Qure.ai Earns 19th FDA Clearance for Neurocritical AI in U.S
Qure.ai received its 19th FDA 510(k) clearance for qER-CTA, a neurocritical algorithm that analyzes CT angiography (CTA) scans for suspected large vessel occlusions (LVOs) in the brain. This solution aims to assist clinicians in faster triage and specialist notification for emergency care scenarios, significantly improving patient outcomes by reducing time to treatment.
2025-10
Medical Product Outsourcing
Qure.ai Earns FDA OK for 6 New AI Chest X-ray Indications - Medical Product Outsourcing
Qure.ai received FDA 510(k) clearance for qXR-Detect, its latest computer-assisted detection radiography solution for chest X-rays, covering six new indications. The article also mentions that in October, Qure.ai earned FDA clearance for its qER-CTA solution, which analyzes CTA scans for suspected large vessel occlusions (LVOs) in the brain.
2026-02
PMC (PubMed Central)
Assessing the effectiveness of artificial intelligence (AI) in prioritising CT head interpretation: study protocol for a stepped-wedge cluster randomised trial (ACCEPT-AI) - PMC
This study protocol outlines the ACCEPT-AI trial, which will evaluate Qure.ai's qER software in identifying and prioritizing patients with critical findings from AI analysis of non-contrast head CT (NCCT) scans. The goal is to improve radiology reporting workflow and patient management in emergency departments, addressing radiology workforce shortages and interpretation delays.
2024-06
Health AI Register
qER - Qure.ai - Health AI Register
Qure.ai's qER is an AI medical device for triage or diagnostic assistance in head CT scans for patients with head injury or stroke. It detects critical abnormalities like bleeds, fractures, mass effect, and midline shift, localizes them, and quantifies their severity, prioritizing critical scans on the radiology worklist.
2026-05
Qure.ai
Qure.ai's qER: Reliable AI for Head CT Scans Worldwide
This article highlights Qure.ai's FDA-cleared qER software, emphasizing its global validation and ability to swiftly and accurately triage, detect, and quantify pathology on head CTs across diverse populations. It covers four critical markers: hemorrhage, mass effect, midline shift, and fractures, and includes qER-Quant for precise volume quantification.
2024-05
Qure.ai
Head CT Scan Tool 'qER' Gets Green Light from US FDA - Qure.ai
Qure.ai received its inaugural US FDA 510(k) clearance for its head CT scan tool, 'qER,' in June 2020. This AI-powered solution triages radiology scans and diagnoses intracranial bleeds, mass effect, midline shift, and cranial fractures, offering a comprehensive triaging solution for critical markers on regular head CT scans.
2020-06
Imaging Technology News
Qure.ai Receives FDA Clearance for qER
Qure.ai announced its first US FDA 510(k) clearance for its head CT scan product 'qER,' which covers four critical markers: intracranial bleeds, mass effect, midline shift, and cranial fractures. This AI tool assists in prioritizing critical cases and facilitating quicker reporting of time-sensitive health markers.
2020-06

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Suggest an Edit → | Last Verified: 2026-04-19 | First Added: 2026-04-19
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