Viz RV/LV vs EchoNext

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.
by Viz.ai
VS
by Pathway Labs

AI Verdict

Viz RV/LV and EchoNext are adjacent tools in cardiology AI, both aiming to improve cardiac diagnostics, but with distinct approaches and primary focuses. Viz RV/LV focuses on automating RV/LV ratio measurements from CTPA scans for rapid pulmonary embolism risk stratification and care coordination. EchoNext, conversely, analyzes standard ECGs to detect hidden structural heart disease, including heart failure, valve disease, and pulmonary hypertension, serving as an early screening tool.

Choose Viz RV/LV if…

Choose Viz RV/LV if your primary need is rapid, automated assessment of pulmonary embolism risk directly from CTPA scans. This tool excels in emergency settings where quick, accurate RV/LV ratio measurements are critical for stratifying patients and coordinating care teams for suspected PE.

View Viz RV/LV →

Choose EchoNext if…

Choose EchoNext if you need a non-invasive, AI-powered solution to screen for hidden structural heart disease using standard ECGs. This tool is ideal for broad clinical use, from primary care to cardiology, to identify early indicators of conditions like heart failure, valve disease, and pulmonary hypertension, facilitating timely intervention.

View EchoNext →

Reviewed by Pouyan Golshani, MD — Interventional Radiologist

Quick Comparison

Feature Viz RV/LV EchoNext
Pricing Not publicly available Starts at $600/month
Deployment Cloud-based Available through the OpenEvidence clinical decision support platform.
BAA Available Unknown Yes AI-estimated
FDA Status 1 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

Viz RV/LV

Viz RV/LV is a seamless component of the broader Viz PE Solution, which includes AI-powered alerts, a high-fidelity mobile DICOM image viewer, and a HIPAA-compliant communication platform for care coordination. This integrated approach suggests a more streamlined and comprehensive user experience for clinicians managing pulmonary embolism cases. EchoNext is available through the OpenEvidence platform, but its direct user experience details are less elaborated, focusing more on its diagnostic capabilities.

Clinical Value

EchoNext

EchoNext demonstrates superior clinical value by detecting a broader range of hidden structural heart diseases (heart failure, valve disease, pulmonary hypertension) from a standard ECG, often outperforming cardiologists in accuracy. This allows for earlier detection and intervention for conditions that might otherwise go undiagnosed until symptomatic. Viz RV/LV provides a crucial RV/LV ratio for pulmonary embolism risk stratification, which is valuable, but its scope is more focused on a specific acute condition.

Pricing & Value

EchoNext

EchoNext offers transparent tiered pricing starting at $600/month, with details on implementation fees and annual discounts, making its cost structure clear to potential customers. Viz RV/LV's pricing is not publicly available, which makes it difficult to assess its value proposition without direct inquiry. While both tools offer significant clinical value, EchoNext's transparent pricing provides a clearer understanding of the financial commitment.

Enterprise Readiness

Viz RV/LV

Viz.ai's platform, of which Viz RV/LV is a part, is deployed across more than 1,200 health systems in the US and EMEA, indicating robust enterprise-level integration and scalability. It also boasts SOC 2 Type II and HIPAA compliance, with transparent access to security documentation. EchoNext is available through the OpenEvidence platform, used by 650,000 U.S. physicians, and has secured significant seed funding for expansion, but Viz.ai's established widespread deployment suggests a higher degree of current enterprise readiness.

Innovation

Tie

Both tools demonstrate significant innovation in their respective domains. Viz RV/LV innovates by automating RV/LV ratio measurements from CTPA scans for rapid PE risk stratification and integrating it into a comprehensive care coordination platform. EchoNext is groundbreaking for its ability to detect a wide range of hidden structural heart diseases from standard ECGs, often outperforming human cardiologists, and has been described as the world's first FDA-approved AI detection tool for this purpose. Both represent substantial advancements in cardiology AI.

Support & Docs

Viz RV/LV

Viz.ai offers a comprehensive support system including a knowledge base, in-app support, email, and 24/7 urgent phone support. They also provide a Trust Center with direct access to extensive documentation for security and privacy. Pathway Labs (EchoNext) provides API docs, troubleshooting guides, GitHub issues, and a Discord community, along with email and text support, which is good for developers and technical users, but Viz.ai's offerings appear more tailored for broader clinical user support and compliance documentation.

Feature-by-Feature

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

Feature Viz RV/LV EchoNext
Name Viz RV/LV EchoNext
Company Viz.ai Pathway Labs
Description Viz RV/LV by Viz.ai is an FDA-cleared AI algorithm that automates right and left ventricular diameter measurements from CTPA scans, providing a crucial RV/LV ratio for rapid pulmonary embolism risk stratification and enhanced care coordination within the Viz PE Solution. EchoNext is an FDA-cleared AI tool from Pathway Labs that analyzes standard ECGs to detect hidden structural heart disease, including heart failure, valve disease, and pulmonary hypertension.
Primary Data Input CTPA scans Standard ECGs
Key Output/Detection Automated Right Ventricle (RV) to Left Ventricle (LV) ratio measurement for pulmonary embolism risk stratification Detection of hidden structural heart disease, heart failure, valve disease, and pulmonary hypertension
Specialties Emergency Medicine, Pulmonology, Radiology Cardiology, Family Medicine, Hospital Medicine, Internal Medicine

Videos

Demos, reviews, and walkthroughs featuring Viz RV/LV and EchoNext.

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Frequently Asked Questions

Viz RV/LV is a component of the Viz PE Solution and integrates with EHR, PACS, and radiology worklist systems to provide real-time patient data and disease-specific insights, aiming to streamline workflows and reduce time to treatment. EchoNext, on the other hand, is available through the OpenEvidence clinical decision support platform, which is used by many physicians, allowing its screening output to be directly embedded into existing clinical workflows without requiring a separate system.
Viz RV/LV, as part of the Viz PE Solution, demonstrated a sensitivity of 91.1% and a specificity of 100% in detecting pulmonary embolism and associated right heart strain in a study of 100 CTPA images. EchoNext has shown high diagnostic accuracy, outperforming cardiologists in detecting structural heart disease from ECGs, with one study reporting 77% accuracy for EchoNext compared to 64% for cardiologists.
Viz RV/LV automates measurements and provides annotated images, which suggests a potentially lower learning curve for interpreting the output, as it focuses on providing a crucial RV/LV ratio for risk stratification. EchoNext analyzes standard 12-lead ECGs and presents its findings through the OpenEvidence platform, which is designed to integrate into existing physician workflows, potentially minimizing the learning curve for its use as a screening tool.
Viz RV/LV is designed to provide automated RV/LV ratio measurements from CTPA scans for rapid pulmonary embolism risk stratification and enhanced care coordination, with Viz PE identifying suspected emboli in under two minutes, suggesting a quick time-to-value by expediting critical decision-making. EchoNext aims for early detection of hidden structural heart disease from routine ECGs, which can lead to earlier diagnosis and potentially life-saving treatment, thereby offering value by reducing diagnostic delays and improving patient outcomes.
Viz RV/LV is a component of the Viz PE Solution, which includes a HIPAA-compliant communication platform for care coordination. While specific additional security measures beyond HIPAA are not detailed, the platform is designed for intelligent care coordination and secure communication. EchoNext is also HIPAA-compliant, but further details on its security posture beyond HIPAA or specific audit-trail features are not publicly available in the provided information.

Backers

Who funded each tool's parent company.

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