Rapid PE Triage and Notification (PETN)
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Regulatory Status Disclosed
Overview
Rapid PE Triage and Notification (PETN) is a radiological computer-aided triage and notification software developed by RapidAI (formerly iSchemaView). It is designed to assist hospital networks and trained clinicians in workflow triage by flagging and communicating suspected positive findings of central pulmonary embolism (PE) pathology in adults.
The device analyzes CTPA images, utilizing an AI/ML module to identify potential central PEs. It operates within the integrated Rapid Platform, providing priority notifications to clinicians. These real-time notifications, which can include compressed preview images (not for diagnostic use), are delivered to physicians via PACS, email, or the Rapid Mobile app, enabling faster triage and care team alignment. The software is intended to be used on single-energy exams and functions in parallel with the standard of care.
Reviewed by Pouyan Golshani, MD — Interventional Radiologist
Key Features
- AI/ML module for CTPA image analysis
- Detection of suspected central pulmonary embolism (PE)
- Workflow triage and prioritization
- Real-time notifications to clinicians (PACS, email, mobile app)
- Compressed preview images (not for diagnostic use)
- Operates in parallel with standard of care
- Integration within the Rapid Platform
- Mobile and desktop application access
- In-app messaging for care team coordination
- Customizable notifications based on clinical thresholds
Use Cases
- Accelerating pulmonary embolism (PE) care pathways
- Workflow triage for suspected central PE cases
- Real-time notification of suspected PE findings
- Coordinating care teams for PE patients
- Assisting in diagnosis and treatment planning for PE
- Automated data collection and research for PE metrics
What Physicians Need to Know
Evidence Base
The Rapid PE Triage and Notification (PETN) module is an AI-powered tool within RapidAI's RapidPE platform, designed for the detection of central pulmonary embolism (PE) on CT scans. It has received FDA 510(k) clearance for the fast identification and communication of suspected central PE. The tool's functionality aligns with the emphasis on prompt diagnosis and treatment found in recent guidelines, such as the 2026 AHA/ACC/Multisociety Guideline for the Evaluation and Management of Acute Pulmonary Embolism in Adults.
Clinical Validation Studies
A multicenter retrospective study involving 1,079 computed tomography (CT) scans demonstrated an overall 94% sensitivity and 93% specificity for central PE detection. The study found consistent diagnostic performance across various CT scanner manufacturers and different age groups. Specifically, it correctly identified 329 out of 350 positive central PE cases and 675 out of 729 central PE-negative cases, yielding a positive predictive value (PPV) of 85.9% and a negative predictive value (NPV) of 97.0%. These results were compared against gold standard interpretations by human expert radiologists.
Clinical Workflow Integration
Rapid PE Triage & Notification integrates with Rapid Workflow for PE to streamline the entire patient care journey, from initial identification to diagnosis and treatment. It automatically identifies suspected PE and sends real-time notifications to physicians via RapidAI's mobile and desktop app. This platform combines AI results, source imaging, clinical data, and communication tools, supporting EHR integration for a unified data source and facilitating team collaboration across the care continuum.
Decision Audit Trail
The RapidAI platform offers data analytics capabilities to track and analyze PE metrics and patient data, which can be automated through EHR integration. This functionality supports feedback mechanisms and operational efficiency, allowing for review of past decisions and outcomes, although it is not explicitly termed a 'decision audit trail'.
Physician Tip
Leverage the real-time notifications from PETN to prioritize suspected central PE cases, especially those identified on CT pulmonary angiograms, to expedite diagnosis and treatment initiation. Integrate the AI findings with your clinical assessment and other patient data for comprehensive decision-making. Utilize the mobile and desktop app for quick review of imaging and efficient communication with the Pulmonary Embolism Response Team (PERT) or other care team members to streamline workflow and reduce time to intervention. Be aware that while the tool is highly sensitive and specific for central PE, clinical judgment remains paramount.
The Rapid PE Triage and Notification (PETN) module is designed to integrate seamlessly with existing clinical workflows, particularly through its connection with Rapid Workflow for PE. It supports EHR integration for automated data collection and a unified view of patient information. The platform's mobile and desktop applications facilitate real-time communication and access to AI results and source imaging, enhancing care coordination across multidisciplinary teams and various CT scanner manufacturers.
Details
| Category | Cardiology AI, Radiology & Imaging AI, Triage & ER/ICU AI |
| Pricing | Contact for pricing — Not publicly disclosed; typically enterprise-level licensing. |
| Deployment | On-premise Rapid Server (dedicated or virtual) within hospital LAN/firewall, or Rapid Edge Cloud Platform. |
| Compliance | |
| BAA Available | Unknown AI-estimated |
| HIPAA Compliant | Unknown AI-estimated |
| FDA Status |
1 AI-estimated Rapid PE Triage and Notification (PETN) received FDA 510(k) clearance (K220499) on May 17, 2022. It is indicated for use in the analysis of CTPA images to assist hospital networks and trained clinicians in workflow triage by flagging and communicating suspected positive findings of central pulmonary embolism (PE) pathology in adults. |
| Integrations | |
| EHR | Not specified |
| Specialties | Cardiology, Emergency Medicine, Radiology |
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Press & Coverage
accessdata.fda.gov
K220499 Rapid PE Triage and Notification (PETN) - FDA 510(k) Premarket Notification
This FDA 510(k) premarket notification details the clearance of Rapid PE Triage and Notification (PETN) as a radiological computer-aided triage and notification software for analyzing CTPA images to flag suspected central pulmonary embolism in adults. It outlines the device's intended use, description, and performance data, noting it's not for diagnostic use but for workflow prioritization.
2022-05
Physician AI Tools
Rapid PE Triage and Notification (PETN) vs Tempus ECG-Low EF
This comparison highlights Rapid PE Triage and Notification (PETN)'s ability to rapidly identify suspected central pulmonary embolisms from CTPA images with high sensitivity (94.0%) and specificity (92.6%), accelerating critical care pathways. It emphasizes PETN's real-time, AI-powered analysis and comprehensive workflow integration for acute PE detection.
2026-07
Physician AI Tools
Rapid PE Triage and Notification (PETN) vs ASSURE Wearable ECG
This article compares Rapid PE Triage and Notification (PETN) with ASSURE Wearable ECG, noting PETN's focus on immediate, AI-powered detection of suspected central pulmonary embolisms from CTPA images for rapid workflow triage and real-time clinician notifications. It highlights PETN's high clinical value in accelerating acute PE care pathways.
2026-07
Physician AI Tools
Rapid PE Triage and Notification (PETN) vs HALO
This comparison details Rapid PE Triage and Notification (PETN)'s role in accelerating the diagnostic and treatment pathway for suspected central pulmonary embolisms through AI-powered CTPA image analysis and real-time notifications. It mentions RapidAI's extensive clinical history and the high sensitivity (94%) and specificity (93%) of PETN in a multicenter study.
2026-07
Physician AI Tools
Rapid PE Triage and Notification (PETN) vs EchoGo Core
This article compares Rapid PE Triage and Notification (PETN) with EchoGo Core, emphasizing PETN's rapid identification and immediate notification of suspected central pulmonary embolisms from CTPA scans. It positions PETN as ideal for emergency departments and critical care settings to accelerate acute PE diagnosis and treatment.
2026-07
Innolitics
Definitive Guide to AI/ML SaMD Ground Truthing
This guide references Rapid PE Triage and Notification (PETN) (K220499) in the context of AI/ML SaMD ground truthing, noting its final performance validation included 306 CTPA cases with ground truth established by three experts using a 2:3 confirmation.
2025-09
Health AI Register
Rapid PE - RapidAI - Health AI Register
This entry describes Rapid PE Triage and Notification (PETN) as a radiological computer-aided software.
2025-07
accessdata.fda.gov
K232751 - 510(k) Premarket Notification for BriefCase-Triage of Central Pulmonary Embolism (Central PE)
This FDA document references Rapid PE Triage and Notification (PETN) (K220499) as a primary predicate device for Aidoc Medical's BriefCase-Triage of Central Pulmonary Embolism. It highlights PETN's intended use in analyzing CTPA images to assist in workflow triage by flagging suspected central pulmonary embolism.
2023-10
Videos
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Frequently Asked Questions
The PETN system typically integrates by automatically analyzing imaging reports, such as CTPA scans, for findings suggestive of pulmonary embolism and then triggering immediate, targeted notifications to the relevant care team members. This automation aims to streamline the identification of high-risk patients, facilitating faster intervention and potentially improving patient outcomes by reducing delays in diagnosis and treatment.
PETN systems are generally designed to align with established clinical guidelines for PE diagnosis and management, often incorporating criteria from validated risk stratification tools. Best practices include regular audits of system performance, ongoing staff training, and establishing clear protocols for responding to notifications to ensure consistent adherence to evidence-based care pathways.
Alternatives often involve manual review of imaging reports by radiologists and referring physicians, or reliance on general critical value notification systems within the electronic health record. However, these methods may lack the dedicated, automated, and rapid communication features specific to PE that a specialized PETN system offers, potentially leading to delays in critical information dissemination.
Pricing models for PETN systems can vary significantly, ranging from subscription-based fees per user or per study, to one-time licensing fees with ongoing annual maintenance and support costs. Factors influencing the overall cost often include the scale of implementation, the complexity of integration with existing IT infrastructure, and the specific features and level of customization required.
Limitations can include the potential for alert fatigue if notifications are not appropriately tuned, reliance on the accuracy of initial imaging interpretation, and the need for robust integration with existing EHR systems to avoid data silos. It is crucial to remember that PETN is a clinical decision support tool and should augment, not replace, sound clinical judgment and comprehensive patient evaluation.
Advanced PETN systems often incorporate sophisticated algorithms that consider factors beyond just the presence of a PE, such as clot burden, signs of right ventricular strain, and relevant patient comorbidities. This allows the system to help stratify risk, focusing notifications on patients most likely to benefit from rapid intervention for acute, clinically significant pulmonary emboli.
Most robust PETN systems offer a degree of customization, allowing institutions to define their specific notification pathways, recipient groups, and escalation protocols based on their unique clinical workflows and staffing structures. This flexibility ensures the system can be tailored to align with local best practices and established response teams for PE management.
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| Last Verified: 2026-04-18 | First Added: 2026-04-18