ASSURE Wearable ECG vs Viz RV/LV

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.
ASSURE Wearable ECG
by Kestra Medical Technologies
VS
Viz RV/LV
by Viz.ai

AI Verdict

Tool A, ASSURE Wearable ECG, focuses on continuous heart rate monitoring and data collection via a wearable device for long-term cardiac patient management. In contrast, Tool B, Viz RV/LV, is an AI algorithm that automates right and left ventricular measurements from CTPA scans for acute pulmonary embolism risk stratification. While both are categorized under Cardiology AI, their distinct data sources (wearable ECG vs. CTPA scans) and clinical applications (continuous monitoring vs. acute diagnostic imaging analysis) make them complementary rather than directly comparable.

Choose ASSURE Wearable ECG if…

Choose ASSURE Wearable ECG if your priority is continuous, long-term heart rate monitoring and data collection for at-risk cardiac patients in an outpatient setting. This tool is ideal for tracking physiological trends, automatically storing cardiac episodes, and providing alert-based notifications to clinicians for ongoing patient management.

View ASSURE Wearable ECG →

Choose Viz RV/LV if…

Choose Viz RV/LV if you require rapid, AI-driven risk stratification for patients with suspected pulmonary embolism based on CTPA scans. This solution is best suited for emergency medicine and radiology departments needing automated right and left ventricular diameter measurements to quickly determine the RV/LV ratio and facilitate timely care coordination.

View Viz RV/LV →

Reviewed by Pouyan Golshani, MD — Interventional Radiologist

Quick Comparison

Feature ASSURE Wearable ECG Viz RV/LV
Pricing Contact for pricing. Not publicly available
Deployment Wearable device, mobile application, and cloud-based remote patient data platform. Cloud-based
BAA Available Yes AI-estimated Yes AI-estimated
FDA Status Cleared AI-estimated Cleared AI-estimated
HIPAA Yes AI-estimated 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

ASSURE Wearable ECG

ASSURE Wearable ECG prioritizes patient comfort and ease of use with its SensorFit Garment, designed for continuous wear and minimal motion artifacts. The intuitive patient app further enhances the user experience for at-risk cardiac patients. While Viz RV/LV streamlines clinician workflows, Tool A's direct focus on patient-centric design for a wearable device gives it an edge in overall usability for its primary user.

Clinical Value

Viz RV/LV

Viz RV/LV offers immediate and critical clinical value by automating RV/LV ratio measurements from CTPA scans, enabling rapid pulmonary embolism risk stratification. This directly impacts acute, life-threatening conditions by accelerating diagnosis and care coordination. While ASSURE provides valuable continuous monitoring, Viz RV/LV's impact on time-sensitive, acute diagnostic decision-making is arguably more critical.

Pricing & Value

Tie

Both tools explicitly state that pricing is not publicly available and requires direct contact for details. Both are FDA-cleared, HIPAA compliant, and offer Business Associate Agreements (BAAs), indicating a baseline level of regulatory adherence and data security. Without transparent pricing or specific cost-benefit analyses for either, it is impossible to determine which offers better pricing or overall value.

Enterprise Readiness

Viz RV/LV

Viz RV/LV is an integral part of the broader Viz.ai One platform, which is specifically designed for enterprise-scale integration with existing PACS, EHR, and cloud environments, supported by Microsoft Cloud for Healthcare. Viz.ai has a proven track record of deployment across numerous hospitals and health systems, offering comprehensive care coordination solutions. While Kestra offers a cloud-based platform, Viz.ai's extensive integrations and established enterprise presence demonstrate superior readiness for large-scale healthcare environments.

Innovation

Viz RV/LV

Viz RV/LV's innovation lies in its application of AI to automate a critical, time-sensitive diagnostic measurement from complex medical imaging (CTPA scans) for acute pulmonary embolism, directly impacting rapid risk stratification and care coordination. While ASSURE's wearable technology with advanced sensor design and artifact filtering is innovative for continuous monitoring, Viz RV/LV's AI-driven automation for acute diagnostic decision support represents a more transformative application of AI in a high-stakes clinical setting.

Support & Docs

Viz RV/LV

Viz.ai provides a more comprehensive and structured support ecosystem, including a dedicated customer success team with specialized roles, a Knowledge Base with extensive documentation, and a Trust Center for transparency on security and privacy. Kestra offers a 24/7 helpline and patient training, but Viz.ai's multi-faceted approach to support and documentation for enterprise clients is more robust.

Feature-by-Feature

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

Feature ASSURE Wearable ECG Viz RV/LV
Tool Name ASSURE Wearable ECG Viz RV/LV
Company Kestra Medical Technologies Viz.ai
Primary Function Non-therapeutic device for continuous heart rate monitoring and data collection for at-risk cardiac patients. FDA-cleared AI algorithm that automates right and left ventricular diameter measurements from CTPA scans for pulmonary embolism risk stratification.
Categories Cardiology AI, Wearables & Remote Monitoring (RPM) Cardiology AI, Clinical Decision Support & Reference, Radiology & Imaging AI
Specialties Cardiology Emergency Medicine, Pulmonology, Radiology
Key Feature Example Wearable ECG device for continuous heart rate monitoring Automated Right Ventricle (RV) to Left Ventricle (LV) ratio measurement

Videos

Demos, reviews, and walkthroughs featuring ASSURE Wearable ECG and Viz RV/LV.

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Frequently Asked Questions

The ASSURE Wearable ECG integrates into workflows for continuous cardiac monitoring, providing data to the Kestra CareStation remote patient data platform for clinician review and alert-based notifications, particularly for patients post-WCD use. In contrast, Viz RV/LV automates RV/LV ratio measurements from CTPA scans to rapidly stratify pulmonary embolism risk, delivering AI-powered alerts and facilitating care coordination through its communication platform for acute diagnosis and management.
The ASSURE Detection Algorithm, used in the ASSURE Wearable ECG, demonstrated preclinical sensitivity of 99.0% for VF and 98.4% for VT, with studies reporting significantly lower false-positive shock alarm rates and no missed true VT/VF events. For Viz RV/LV, a preliminary validation study showed 91.1% sensitivity and 100.0% specificity for PE detection from CTPA images, with a significant positive correlation between algorithmic and manual RV/LV ratio calculations.
The Kestra CareStation platform for the ASSURE Wearable ECG summarizes patient data for providers, enabling progress tracking, configurable alerts, and supports billing for Remote Physiologic Monitoring CPT codes, with data transmitted via a patient app. Viz.ai integrates with EHRs to provide real-time patient data at the point of care, deliver AI-powered alerts, and save patient images directly to the electronic health record, also integrating with PACS for immediate image review.
The ASSURE Wearable ECG system is designed for user-friendliness, with patient training provided by Kestra representatives to ensure comfort and compliance, aiming for timely interventions through continuous monitoring. Viz RV/LV's automated measurements and alert system streamline workflows, reducing manual effort and accelerating diagnostic and triage processes, which has been recognized for its ease of implementation and adoption, leading to faster treatment initiation.
Kestra Medical Technologies' ASSURE Wearable ECG incorporates encryption, audit logs, two-factor authentication (2FA), data loss prevention (DLP), firewalls, intrusion detection/prevention systems (IDS/IPS), VPN, and endpoint security to protect data. Viz.ai maintains a comprehensive security program with SOC 2 Type II, ISO 27001, ISO 27701, ISO 27799, ISO 27017/27018, and ISO 22301 certifications, including continuously monitored controls, third-party audits, audit logs, and data encryption.
The ASSURE Wearable ECG, with its remote patient data platform and mobile application, facilitates multi-site rollouts by centralizing data access for cardiologists managing continuous monitoring of at-risk cardiac patients across different locations. The Viz Platform, including Viz RV/LV, is designed for enterprise-wide scalability, connecting networks of providers across multiple hospitals and service lines (Emergency Medicine, Pulmonology, Radiology) to enable coordinated, multidisciplinary care for acute conditions like PE.
Kestra Medical Technologies highlights real-world outcomes through studies like the ACE-PAS trial, demonstrating the efficacy and high patient compliance of the ASSURE system. Viz.ai has been consistently ranked #1 in Black Book surveys for AI-powered acute care and clinical decision support, based on direct feedback from clinicians and administrators, and provides dedicated customer success teams.

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Backers

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