ZEUS System vs iCAC Device

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 iRhythm Technologies
VS
by Bunkerhill Health

AI Verdict

The ZEUS System focuses on detecting cardiac arrhythmias, such as Atrial Fibrillation, by analyzing continuous ECG data from wearable biosensors. In contrast, the iCAC Device is designed to identify and quantify coronary artery calcium from routine chest CT scans to aid in early cardiovascular disease detection. While both are cardiology AI tools, they address distinct clinical problems using different data modalities.

Choose ZEUS System if…

Choose ZEUS System if you require continuous, long-term ECG monitoring to detect and characterize intermittent or asymptomatic cardiac arrhythmias, such as Atrial Fibrillation. This tool is ideal for patients needing extended observation via wearable biosensors to capture elusive electrical abnormalities of the heart.

View ZEUS System →

Choose iCAC Device if…

Choose iCAC Device if your primary goal is to opportunistically detect and quantify coronary artery calcium from existing routine chest CT scans to assess a patient's cardiovascular disease risk. This AI algorithm is best suited for leveraging readily available imaging data to identify early signs of atherosclerosis and inform preventative strategies.

View iCAC Device →

Reviewed by Pouyan Golshani, MD — Interventional Radiologist

Quick Comparison

Feature ZEUS System iCAC Device
Pricing Not disclosed Contact for pricing
Deployment Cloud-based (AWS EC2 platform), no on-premise hardware. Software as a Medical Device (SaMD), integrates with PACS or DICOM router. Cloud-based (via Carebricks platform).
BAA Available Yes AI-estimated Unknown
FDA Status Cleared AI-estimated Cleared AI-estimated
HIPAA Yes AI-estimated Unknown

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

ZEUS System

The ZEUS System, through its ZioSuite web portal and mobile app, offers a comprehensive, end-to-end solution for both clinicians and patients, streamlining patient enrollment, monitoring, and report interpretation. Its integration with wearable devices designed for patient comfort and compliance, along with robust EHR integration, provides a more holistic and user-friendly experience across the entire care pathway.

Clinical Value

ZEUS System

Both tools are FDA-cleared and offer significant clinical value in cardiac care. However, the ZEUS System provides long-term continuous ECG monitoring for up to 14 days, which is highly effective for detecting and characterizing both symptomatic and asymptomatic arrhythmias, supported by an extensive clinical library of over 135 scientific manuscripts.

Pricing & Value

ZEUS System

While both tools do not publicly disclose their pricing, the ZEUS System (via iRhythm) offers more transparency regarding its billing model, including direct billing to patient insurance, financial assistance programs, and payment plans. This demonstrates a clearer effort to manage patient and provider financial burden and enhance accessibility.

Enterprise Readiness

ZEUS System

The ZEUS System explicitly states HIPAA compliance and the availability of a Business Associate Agreement (BAA), which are critical for enterprise adoption in healthcare. While Tool B integrates with key hospital systems, its compliance details require contacting the vendor, indicating less upfront transparency regarding these essential enterprise requirements.

Innovation

iCAC Device

While both utilize AI innovatively, the iCAC Device stands out for its 'opportunistic identification' approach, leveraging AI to detect and quantify coronary artery calcium from *routine, non-contrast, non-gated chest CT scans* already performed for other reasons. This maximizes the value of existing data, enabling early cardiovascular disease detection without additional procedures or patient burden, representing a highly impactful innovation in clinical workflow.

Support & Docs

ZEUS System

The ZEUS System (iRhythm) provides comprehensive support and documentation, including a dedicated Clinical Resource Center, patient FAQs, patient advocates, and readily accessible Instructions for Use for both devices and software. This extensive support infrastructure is more explicitly detailed than for Tool B.

Feature-by-Feature

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

Feature ZEUS System iCAC Device
Name ZEUS System iCAC Device
Company iRhythm Technologies Bunkerhill Health
Description The ZEUS System by iRhythm Technologies is an AI-powered software that analyzes ECG data from wearable biosensors for long-term continuous cardiac monitoring, aiding in the detection and characterization of arrhythmias like Atrial Fibrillation. Bunkerhill Health's iCAC Device is an FDA-cleared AI algorithm that detects and quantifies coronary artery calcium from routine, non-contrast, non-gated chest CT scans, aiding in early cardiovascular disease detection.
Key Functionality AI-powered arrhythmia detection, Continuous ECG monitoring (up to 14 days), Detection and characterization of Atrial Fibrillation (AFib) Estimates presence and quantity of coronary artery calcium (CAC), Analyzes routine, non-contrast, non-gated chest CT scans, Delivers exact and four-category quantitative estimates of CAC burden in Agatston units
Specialties Cardiology, Family Medicine, Internal Medicine Cardiology, Radiology

Videos

Demos, reviews, and walkthroughs featuring ZEUS System and iCAC Device.

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Frequently Asked Questions

The ZEUS System by iRhythm Technologies is designed for long-term continuous cardiac monitoring, utilizing AI to detect and characterize arrhythmias such as Atrial Fibrillation from wearable ECG data. In contrast, Bunkerhill Health's iCAC Device is an AI algorithm that detects and quantifies coronary artery calcium from routine chest CT scans, aiding in early cardiovascular disease detection.
The ZEUS System analyzes ECG data obtained from wearable biosensors, specifically integrating with Zio Watch and Zio monitors. The iCAC Device analyzes routine, non-contrast, non-gated chest CT scans to estimate the presence and quantity of coronary artery calcium.
The ZEUS System is cloud-based and supports HL7-based EHR integration. The iCAC Device is a Software as a Medical Device (SaMD) that integrates with PACS or a DICOM router and also integrates with EHRs via the Carebricks platform.
The ZEUS System provides AI-powered arrhythmia detection, continuous ECG monitoring reports, and preliminary report generation for physicians. The iCAC Device outputs a visual representation of estimated CAC segmentation and delivers exact and four-category quantitative estimates of CAC burden in Agatston units.
The ZEUS System is designed to support Cardiology, Family Medicine, and Internal Medicine. The iCAC Device is primarily intended for use by specialists in Cardiology and Radiology.

Backers

Who funded each tool's parent company.

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