Merge PACS vs EchoNext

Similar category, different focus. These tools serve overlapping but distinct needs. Comparability 60/100 Comparability is an AI-graded 0–100 score of how directly these two tools compete — higher means a more apples-to-apples comparison.
by Merative
VS
by Pathway Labs

AI Verdict

Merge PACS is an enterprise-level Picture Archiving and Communication System (PACS) that integrates AI insights and streamlines radiology workflows, offering a broad imaging solution for multi-site health systems. In contrast, EchoNext is a specialized AI tool that analyzes standard ECGs to detect hidden structural heart disease, acting as a diagnostic support tool rather than a comprehensive imaging system. Therefore, while both utilize AI in cardiology, Merge PACS focuses on imaging workflow and management, while EchoNext provides a specific AI-powered diagnostic analysis for ECGs.

Choose Merge PACS if…

Choose Merge PACS if your health system requires an enterprise-level solution for consolidating imaging data, streamlining radiology workflows across multiple sites, and integrating various AI insights into a single worklist. It is ideal for organizations seeking flexible deployment options (on-premise, cloud, hybrid) and robust features for multi-modality diagnostic interpretation, including advanced mammography tools and real-time analytics.

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Choose EchoNext if…

Choose EchoNext if your clinical practice or hospital aims to enhance early detection of hidden structural heart disease, such as heart failure, valve disease, and pulmonary hypertension, using standard ECGs. This FDA-cleared AI tool is particularly well-suited for broad access, from major hospitals to community practices, and integrates with clinical decision support platforms like OpenEvidence to provide non-invasive diagnostic support at the point of care.

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Reviewed by Pouyan Golshani, MD — Interventional Radiologist

Quick Comparison

Feature Merge PACS EchoNext
Pricing Contact vendor Starts at $600/month
Deployment On-premise, Cloud, Hybrid Available through the OpenEvidence clinical decision support platform.
BAA Available Unknown Yes AI-estimated
FDA Status Yes AI-estimated Yes AI-estimated
HIPAA Unknown Yes AI-estimated

Head-to-Head

AI-generated assessment across six dimensions based on each tool's documented features and compliance posture. Grounded in public data — not a substitute for hands-on evaluation.

Usability

Merge PACS

Merge PACS emphasizes a comprehensive and customizable user experience for radiology and enterprise imaging, with features like dynamic worklist refresh, fewer clicks for mammography reading, and a unified platform across departments. EchoNext, while integrated into a clinical decision support platform, focuses on a specific diagnostic task, and its general usability beyond that integration isn't as extensively detailed.

Clinical Value

EchoNext

EchoNext has demonstrated superior clinical value through multiple validation studies where its AI model outperformed cardiologists in detecting structural heart disease from ECGs. It has also been credited with leading to the first AI-triggered heart transplant, showcasing a direct impact on patient outcomes. Merge PACS offers AI integration and enhanced diagnostic workflows, but specific comparative clinical outcome data against human interpretation or other tools are not provided in the same detail.

Pricing & Value

EchoNext

EchoNext offers transparent tiered pricing starting at $600/month, with clear details on implementation fees and annual discounts. Merge PACS requires contacting the vendor for pricing, which suggests less transparency and potentially higher, more variable costs associated with an enterprise-level PACS. EchoNext's clear pricing structure provides better upfront value understanding.

Enterprise Readiness

Merge PACS

Merge PACS is explicitly designed as an enterprise-level PACS, offering multi-site support, flexible deployment (on-premise, cloud, hybrid), integration with various healthcare systems (EMR/EHR, RIS, HIS, VNA), and robust security. EchoNext is available through a clinical decision support platform and targets a broad range of practices, but its enterprise-wide deployment and integration capabilities are not as extensively detailed as Merge PACS.

Innovation

EchoNext

EchoNext represents a significant innovation as the world's first FDA-cleared AI tool to detect hidden structural heart disease from standard ECGs, a capability that has been shown to outperform human cardiologists. Merge PACS focuses on integrating third-party AI and enhancing existing PACS workflows, which is valuable but not as groundbreaking in terms of novel diagnostic capability.

Support & Docs

Merge PACS

Merge PACS, as an established enterprise solution, offers comprehensive support through a community hub, direct phone lines (North America, Australia, Global), webinars, and product documentation. While EchoNext is integrated into the OpenEvidence platform, specific details about its direct support and documentation are not as readily available.

Feature-by-Feature

Detail beyond the Quick Comparison summary. For pricing, deployment, BAA, FDA, and HIPAA see the Overview tab.

Feature Merge PACS EchoNext
Tool Name Merge PACS EchoNext
Company Merative Pathway Labs
Description An enterprise-level Picture Archiving and Communication System (PACS) that streamlines radiology workflows, consolidates imaging data, and integrates AI insights across multi-site health systems. It supports multi-modality diagnostic interpretation with flexible deployment options. An FDA-cleared AI tool that analyzes standard ECGs to detect hidden structural heart disease, including heart failure, valve disease, and pulmonary hypertension.
Categories Cardiology AI, Radiology & Imaging AI Cardiology AI, Clinical Decision Support & Reference, Lab & Diagnostics
Specialties Cardiology, Radiology Cardiology, Family Medicine, Hospital Medicine, Internal Medicine
Key Features (Examples) AI integration and readiness, Customizable, composite worklist, Cloud-ready architecture AI-powered ECG analysis, Detection of hidden structural heart disease, Identifies heart failure risk

Videos

Demos, reviews, and walkthroughs featuring Merge PACS and EchoNext.

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Frequently Asked Questions

Merge PACS is designed to integrate with EMR/EHR, RIS, HIS, and VNA systems, offering a customizable worklist that consolidates imaging data and provides single worklist access to third-party AI applications. EchoNext, on the other hand, is available through the OpenEvidence clinical decision support platform, which aims to embed its screening output directly into tools many physicians already use during patient visits, avoiding a separate workflow or system.
EchoNext has demonstrated high accuracy in detecting structural heart disease (SHD) from ECGs, with a reported 77% accuracy in identifying structural heart problems in a 2025 study, compared to 64% for cardiologists reading the same ECGs without AI assistance. Merge PACS, as an enterprise PACS, integrates AI insights and supports diagnostic interpretation across multiple modalities, but specific accuracy/sensitivity metrics for its overall diagnostic capabilities or integrated AI are not provided.
For Merge PACS, there was a small learning curve noted for cardiologists with Merge Cardio PACS, and the system is described as intuitive for training. Merge PACS also offers tailored training programs for clinical users and IT professionals. EchoNext is integrated into the OpenEvidence platform, suggesting that its use would leverage an existing physician interface, potentially reducing the learning curve for those already familiar with OpenEvidence.
Merative provides dedicated service and support teams for Merge PACS, offering end-to-end relationships from planning to deployment and ongoing 24/7 support. This includes professional services, implementation and onboarding, and tailored training programs. For EchoNext, while not explicitly detailed, its availability through the OpenEvidence platform suggests support would be facilitated through that partnership.
Merge PACS includes audit trails and activity logging for monitoring and compliance, and communication of critical results is facilitated and documented through optional, configurable components. The system also supports real-time analytics and dashboards (Merge Dashboards) for radiologists to track personal reading goals and non-reading work. Specific audit-trail features for EchoNext are not detailed in the provided information.

Backers

Who funded each tool's parent company.

Merge PACS

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