HeartFlow Analysis vs Merge PACS
Similar category, different focus. These tools serve overlapping but distinct needs.
Comparability 65/100
Comparability is an AI-graded 0–100 score of how directly these two tools compete — higher means a more apples-to-apples comparison.
AI Verdict
HeartFlow Analysis is a specialized AI diagnostic tool focused on analyzing coronary artery disease through 3D modeling and FFRct analysis. In contrast, Merge PACS is an enterprise-level imaging management system designed to streamline radiology workflows and integrate various AI applications across multi-site health systems. While both operate in the cardiology and radiology AI space, HeartFlow provides a specific diagnostic solution, whereas Merge PACS offers the foundational infrastructure for managing and interpreting diverse imaging data.
Choose HeartFlow Analysis if…
Choose HeartFlow Analysis if your primary need is a highly accurate, non-invasive diagnostic solution for assessing coronary artery disease (CAD). This tool excels at providing detailed functional and anatomical insights, such as FFRct and plaque characteristics, derived from standard CT scans to inform treatment decisions for individual patients.
View HeartFlow Analysis →Choose Merge PACS if…
Choose Merge PACS if your organization requires an enterprise-level imaging platform to consolidate and manage multi-modality imaging data across a health system. This solution is ideal for streamlining radiology and cardiology workflows, integrating various third-party AI applications, and providing flexible deployment options for comprehensive image management.
View Merge PACS →Reviewed by Pouyan Golshani, MD — Interventional Radiologist
Quick Comparison
| Feature | HeartFlow Analysis | Merge PACS |
|---|---|---|
| Pricing | Contact vendor for pricing | Contact vendor |
| Deployment | Cloud-based (AWS) | On-premise, Cloud, Hybrid |
| BAA Available | Yes AI-estimated | Unknown |
| FDA Status | Yes AI-estimated | Yes AI-estimated |
| HIPAA | Yes AI-estimated | Unknown |
Feature-by-Feature
Detail beyond the Quick Comparison summary. For pricing, deployment, BAA, FDA, and HIPAA see the Overview tab.
| Feature | HeartFlow Analysis | Merge PACS |
|---|---|---|
| Core Functionality | Software and AI for non-invasive diagnosis and management of coronary artery disease (CAD) by creating personalized 3D models of coronary arteries from CT scans. | Enterprise-level Picture Archiving and Communication System (PACS) that streamlines radiology workflows, consolidates imaging data, and integrates AI insights across multi-site health systems. |
| Payer Coverage/CPT Codes | Covered by Medicare and most U.S. commercial payers; Category I CPT code for FFRct Analysis (75580) and AI-Enabled Quantitative Plaque Analysis (75577 for 2026); CMS payment rates established. | Not specified |
| Specific AI Features | AI-powered 3D modeling of coronary arteries, Fractional Flow Reserve derived from CT (FFRct) analysis, Plaque Analysis (quantification and characterization), Roadmapu2122 Analysis for CCTA reading, Computational Fluid Dynamics (CFD) for blood flow simulation. | AI integration and readiness (single worklist access to 3rd party AI applications). |
| Supported Specialties | Cardiology, Radiology | Cardiology, Radiology |
| Enterprise Integration | Not specified | Enterprise-wide image management and consolidation; Integration with EMR/EHR, RIS, HIS, and VNA systems. |
Videos
Demos, reviews, and walkthroughs featuring HeartFlow Analysis and Merge PACS.
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Frequently Asked Questions
HeartFlow Analysis is a specialized, non-invasive diagnostic tool that uses AI to create personalized 3D models of coronary arteries for diagnosing and managing coronary artery disease, providing insights like FFRct and plaque analysis. Merge PACS is an enterprise-level Picture Archiving and Communication System designed to streamline radiology workflows, consolidate imaging data, and integrate various AI insights across multi-site health systems, acting as a foundational infrastructure for managing and interpreting diverse imaging data.
HeartFlow Analysis is an AI-powered diagnostic tool itself, utilizing AI for 3D modeling, FFRct analysis, and plaque quantification from standard CT scans. Merge PACS integrates AI by providing a single worklist access to third-party AI applications, enhancing diagnostic workflows and image management by making AI results available in the worklist and viewer.
HeartFlow Analysis operates on a fee-for-service model, is covered by Medicare and most U.S. commercial payers, and has established CMS payment rates for Category I CPT codes (75580 for FFRct Analysis and 75577 for AI-Enabled Quantitative Plaque Analysis in 2026). For Merge PACS, pricing details require contacting the vendor directly.
While HeartFlow Analysis provides specific diagnostic insights for CAD, Merge PACS is designed with AI integration readiness, offering single worklist access to third-party AI applications. The provided information indicates Merge PACS supports integrating various AI tools and makes their results available within its workflow.
HeartFlow Analysis provides AI-powered 3D modeling of coronary arteries, Fractional Flow Reserve derived from CT (FFRct) analysis, and quantitative plaque analysis, aiding in the assessment of blood flow and disease severity. Merge PACS offers enhanced diagnostic workflows, real-time analytics and dashboards, and enterprise-wide image management, facilitating access to diagnostic outputs from integrated AI applications.
More Comparisons
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Backers
Who funded each tool's parent company.