Rapid Obstructive Hydrocephalus

by RapidAI  · Based in United States → — Clinical AI Platform Enhancing Assessment & Care
Emergency Medicine Neurosurgery Radiology

Regulatory Status Disclosed

Overview

Rapid Obstructive Hydrocephalus (Rapid OH) is an FDA-cleared clinical AI module developed by RapidAI (formerly iSchemaView Inc.) to support the rapid identification and triage of suspected obstructive hydrocephalus. The software analyzes non-contrast computed tomography (NCCT) brain scans to detect cerebrospinal fluid (CSF) accumulation within the lateral ventricles, generating automated alerts in under one minute to assist clinical teams in making time-sensitive treatment and transfer decisions.

Designed for radiologists, neurosurgeons, and emergency care teams operating in acute care settings, emergency departments, and neurocritical care units, the tool integrates directly into existing hospital infrastructures. It delivers results and notifications across picture archiving and communication systems (PACS), electronic health records (EHRs), diagnostic workstations, email, and the Rapid mobile application.

Key Capabilities:

  • Automated Detection: Analyzes NCCT scans to identify ventricular CSF accumulation indicative of obstructive hydrocephalus.
  • Rapid Alerting: Delivers triage notifications to care teams in less than 60 seconds from scan acquisition.
  • Workflow Integration: Operates within the Rapid Enterprise platform, connecting imaging insights directly to multidisciplinary clinical workflows.
  • Reimbursement Eligibility: Qualifies for the Centers for Medicare & Medicaid Services (CMS) New Technology Add-on Payment (NTAP).

Reviewed by Pouyan Golshani, MD — Interventional Radiologist

Key Features

  • AI-driven alerts for suspected obstructive hydrocephalus
  • Automated identification of cerebrospinal fluid buildup in lateral ventricles
  • Prompt transfer decisions with automated alerts in one minute or less
  • Connectivity and alerts via PACS/workstation, email, and Rapid mobile app
  • Analysis of non-enhanced CT head images (NCCT)
  • Workflow prioritization triage for suspected OH cases
  • Qualifies for CMS New Technology Add-on Payment (NTAP)
  • High sensitivity (89.5%) and specificity (97.6%) for OH detection
  • Integration with the broader RapidAI platform for comprehensive neurovascular imaging

Use Cases

  • Early identification of obstructive hydrocephalus in emergency settings
  • Streamlining transfer decisions for patients with suspected OH
  • Prioritizing workflow for radiologists and care teams
  • Assisting clinicians in the interpretation of non-enhanced CT head images
  • Improving care coordination across multidisciplinary teams
  • Supporting rapid clinical decision-making in neurocritical care

What Physicians Need to Know

Brain MRI/CT Analysis
Rapid OH identifies suspected obstructive hydrocephalus by detecting cerebrospinal fluid accumulation in the lateral ventricles. It also supports the identification of other neurovascular conditions like intracerebral hemorrhage (ICH), subdural hematoma (SDH), midline shift (MLS), and aneurysm. The platform offers automated measurements and advanced visualization, cross-study comparisons, and quantitative analysis for reporting.
Large Vessel Occlusion Detection
While Rapid Obstructive Hydrocephalus focuses on hydrocephalus, the broader RapidAI platform includes Rapid LVO, which detects large vessel occlusions (LVOs) with high sensitivity (98%) and specificity (94%), outperforming other AI tools in comparative studies. Rapid LVO can detect LVOs in as few as 3 minutes.
Triage Prioritization Speed
Rapid OH generates alerts for suspected obstructive hydrocephalus in under one minute to expedite triage and transfer decisions. The RapidAI platform, in general, can reduce door-to-notification time significantly, with studies showing reductions from a median of 38 minutes to 6 minutes.
ASPECTS Score Automation
The RapidAI platform includes Rapid ASPECTS, an FDA-cleared device that provides an automated system for scoring non-contrast CT scans based on the Alberta Stroke Program Early CT Score (ASPECTS) system. This can improve consistency and agreement between readers, especially for non-neuroradiologists.
Mobile Notification System
The RapidAI mobile app provides real-time notifications of suspected cases and new case events, allowing for quick review of AI outputs and source imaging in a DICOM viewer. It also facilitates coordination across teams and sites with in-app messaging and customizable notifications.
Physician Tip

Rapid OH is designed to quickly identify obstructive hydrocephalus from CT scans, providing alerts in under a minute to aid in timely triage and transfer decisions. The broader RapidAI platform offers comprehensive neurovascular insights, including detection of various hemorrhage types, midline shift, and aneurysms, with automated measurements and visualizations. Utilizing the mobile app for real-time alerts and collaboration can significantly streamline workflow and communication among care teams. While the AI provides rapid analysis, it's crucial to remember that it serves as a supportive tool to complement, rather than replace, clinical interpretation.

RapidAI's modules, including Rapid OH, are fully integrated into the Rapid Edge Cloud platform, which offers both cloud-first and on-premise capabilities. The system is designed to work seamlessly across PACS, EHR, and reporting systems, and integrates with Rapid Navigator Pro and the Rapid mobile and web applications. It also supports integration with curated third-party AI solutions.

Details

Category Neurology AI, Radiology & Imaging AI, Triage & ER/ICU AI
Pricing Unknown
DeploymentHybrid (on-premise, cloud, or Rapid Edge Cloud)
Mobile App1
API AvailableUnknown
TrainingUnknown
Compliance
BAA Available Yes AI-estimated
HIPAA Compliant Yes AI-estimated
FDA Status Cleared AI-estimated
SOC 2 Yes AI-estimated
GDPR Yes AI-estimated
Integrations
EHR Not specified
Specialties Emergency Medicine, Neurosurgery, Radiology

Support & Reliability

Training ProvidedUnknown

What the Web Says

Rapid Obstructive Hydrocephalus (Rapid OH) is an FDA-cleared AI module developed by RapidAI, designed to quickly identify the presence of obstructive hydrocephalus from non-contrast CT scans. It boasts high diagnostic accuracy, with 90% sensitivity and 97% specificity in correctly identifying or excluding hydrocephalus. The system processes cases in approximately 30 seconds, aiming to reduce time-to-diagnosis and enable faster intervention for at-risk patients in neuro-emergency workflows.

Overall: Positive

Strengths

  • High diagnostic accuracy (90% sensitivity, 97% specificity).
  • Sub-minute processing times (around 30 seconds per case).
  • Reduces time-to-diagnosis in neuro-emergency workflows.
  • Prioritizes urgent reviews.
  • Enables faster intervention for at-risk patients.
  • FDA-cleared.

Limitations

No significant limitations found in public reviews. Consider checking vendor documentation or requesting a demo for a thorough evaluation.

Based on reviews from: rapidai.com, aihealthcarenow.com, nyquistai.com, physicianaitools.com

Last updated: 2026-10-31

Ratings & Reviews

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Press & Coverage

physicianaitools.com
Rapid Obstructive Hydrocephalus (Rapid OH)
Rapid Obstructive Hydrocephalus (Rapid OH) is an FDA-cleared clinical AI module developed by RapidAI to support the rapid assessment of obstructive hydrocephalus.
2026-04
aihealthcarenow.com
Rapid Obstructive Hydrocephalus, Rapid OH
Rapid Obstructive Hydrocephalus, or Rapid OH, is one of ten FDA-cleared products of its type from RapidAI, as reported by AI Healthcare Now.
2026-10
nyquistai.com
Rapid Obstructive Hydrocephalus
Rapid Obstructive Hydrocephalus (Rapid OH) from RapidAI received FDA clearance on September 4, 2025.
2025-10
rapidai.com
New Study Finds RapidAI Significantly Outperforms Viz.ai in Detecting Medium Vessel Occlusions in Stroke Patients
A new study presented at ESOC indicates that RapidAI detects 33% more Medium Vessel Occlusions (MeVOs) than Viz.ai, demonstrating superior accuracy and deeper clinical insights.
unknown
rapidai.com
Lumina 3D by RapidAI Named to TIME's List of the Best Inventions of 2025
RapidAI's Lumina 3D has been recognized by TIME as one of the best inventions of 2025, highlighting the company's commitment to advancing deep clinical AI.
unknown
rapidai.com
Artificial Intelligence Outperforms Radiologists in Detecting Aneurysm Growth
RapidAI's Aneurysm platform (Surgical Preview) has been shown to be significantly more effective than human neuroradiologists in detecting cerebral aneurysmal growth, doubling the detection rate while maintaining accuracy for stable cases.
unknown
rapidai.com
Ischemic Lesion Net Water Uptake Outperforms ASPECTS and CBF<30% in Predicting Futile Recanalization After MT
A retrospective study found that Net Water Uptake is a strong, non-invasive biomarker for predicting futile recanalization in LVO patients who undergo successful mechanical thrombectomy.
unknown
rapidai.com
Using AI to improve stroke outcomes in rural Missouri: “We can save your life."
This article highlights how rural hospitals, such as TCMH in Missouri, are utilizing RapidAI's AI-powered stroke software to enhance local stroke outcomes.
unknown

Videos

Product demos, reviews, and walkthroughs for Rapid Obstructive Hydrocephalus.

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Frequently Asked Questions

Rapid OH is an AI-powered module on the Rapid Enterprise Platform that identifies suspected obstructive hydrocephalus by detecting cerebrospinal fluid accumulation in the lateral ventricles. It generates alerts in under one minute to expedite triage and transfer decisions, aiming to reduce cognitive burden for radiologists and support faster clinical decision-making.
Rapid OH has received FDA 510(k) clearance. Additionally, it qualifies for the CMS New Technology Add-on Payment (NTAP), which underscores its clinical and economic value.
Rapid OH is integrated into the Rapid Edge Cloud, which offers cloud-first IT with on-premise capabilities, ensuring continuous service and secure integration with PACS, EHR, and reporting systems. It aims to streamline workflows by providing AI-driven insights and automated alerts directly to care teams via PACS/workstation, email, and the Rapid mobile app.
While RapidAI offers a comprehensive platform for neurovascular care, other AI platforms like Aidoc and Viz.ai also provide solutions for neurological conditions, primarily focusing on stroke detection and triage. However, specific modules for obstructive hydrocephalus detection may vary across platforms.
While AI can serve as a screening tool and improve diagnostic sensitivity, studies on AI for hydrocephalus diagnosis have shown varying specificity compared to radiologists, suggesting that physician oversight remains essential. The impact of AI on patient outcomes can be uncertain due to limitations in available evidence, and there is a need for more robust studies.
Specific pricing details for Rapid OH are not publicly available. Generally, healthcare AI software pricing can involve various considerations, including the frequency of payment, legal review, and potential added fees, with value often assessed by the quality of the product and its impact on care.

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