qXR-CTR vs Tempus ECG-Low EF

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 Qure.ai
VS
by Tempus

AI Verdict

Tool A automates the measurement of the cardiothoracic ratio from chest X-ray images to assess heart size and potential heart failure risk. Conversely, Tool B analyzes 12-lead ECG recordings to detect signs associated with low left ventricular ejection fraction. While both tools aim to aid in the assessment of heart failure risk, they utilize fundamentally different diagnostic modalities (X-ray vs. ECG) and provide distinct types of measurements or detections.

Choose qXR-CTR if…

Choose qXR-CTR if your primary need is automated, rapid assessment of heart size and initial heart failure risk directly from chest X-ray images. This tool is ideal for high-volume screening environments where efficiently identifying potential cardiac enlargement from existing radiological data is crucial.

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Choose Tempus ECG-Low EF if…

Choose Tempus ECG-Low EF if you need to identify patients aged 40 or older at risk of heart failure who may have a low left ventricular ejection fraction, using standard 12-lead ECG recordings. This tool is best suited for guiding further diagnostic evaluation by flagging patients whose ECGs suggest reduced cardiac function.

View Tempus ECG-Low EF →

Reviewed by Pouyan Golshani, MD — Interventional Radiologist

Quick Comparison

Feature qXR-CTR Tempus ECG-Low EF
Deployment Can be deployed on cloud or on-premise. The Qure.ai app receives DICOM studies via DICOM network protocol from medical systems (PACS/Modality) or can import DICOM from the local system. The received DICOM study is processed in Qure's cloud server, and AI-processed reports are displayed on the app. Integrates with current ECG platforms and electronic health records (EHRs).
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

qXR-CTR

Tool A (qXR-CTR) offers a more direct and interactive user experience, providing a dedicated Qure.ai App for mobile and desktop access, a DICOM viewer with manipulation tools, worklist management, and a multilingual user interface. In contrast, Tool B (Tempus ECG-Low EF) explicitly states it does not have a dedicated user interface and integrates into existing systems via standard communication protocols, suggesting a backend-focused, less interactive approach for end-users.

Clinical Value

Tempus ECG-Low EF

Both tools are FDA-cleared and aid in assessing heart failure risk. Tool B (Tempus ECG-Low EF) offers a more direct and specific clinical value by detecting signs associated with low Left Ventricular Ejection Fraction (LVEF u226440%) from standard 12-lead ECGs, a critical functional parameter typically assessed by echocardiography. It boasts strong performance metrics, including 85.8% sensitivity and 83.0% specificity on an independent validation cohort, and a 98% negative predictive value. While Tool A (qXR-CTR) automates cardiothoracic ratio measurement from X-rays and has shown 84% accuracy in diagnosing heart failure in a study, Tool B's ability to infer LVEF from ECG represents a potentially earlier and more impactful diagnostic aid for a major chronic condition.

Pricing & Value

Tie

Neither Tool A (qXR-CTR) nor Tool B (Tempus ECG-Low EF) publicly discloses specific pricing information, both requiring direct contact with the vendor. While Tool A mentions a subscription model based on analyses or installations, the lack of transparent pricing or detailed cost-effectiveness studies for either product makes a definitive comparison of their value propositions impossible.

Enterprise Readiness

qXR-CTR

Both tools demonstrate strong enterprise readiness with FDA clearance, HIPAA compliance, and BAA availability. However, Tool A (qXR-CTR) explicitly offers flexible deployment options including cloud, on-premise, and hybrid models, and supports a wider range of data standards such as DICOM, HL7 v2, FHIR, SNOMED CT, and ICD-10. While Tool B (Tempus ECG-Low EF) integrates into healthcare facility workflows via standard communication protocols, Tool A's stated deployment flexibility and comprehensive data standard support suggest a slightly more robust and adaptable solution for diverse enterprise IT environments.

Innovation

Tempus ECG-Low EF

Both tools utilize AI for cardiovascular risk assessment, but Tool B (Tempus ECG-Low EF) demonstrates a higher degree of innovation by detecting signs of low LVEF from a standard 12-lead ECG. This is a significant advancement as LVEF is typically measured via echocardiogram, making ECG-based detection a novel and impactful application of AI to a readily available diagnostic test. The extensive training dataset of over 930,000 ECGs also underscores the advanced development of its AI model.

Support & Docs

qXR-CTR

Tool A (qXR-CTR) provides comprehensive support resources, including a dedicated client success partner for each hospital, email support with a typical response time of less than 6 hours, an in-app support feature, and detailed documentation such as a User's Manual, FAQs, and troubleshooting guides. Tool B (Tempus ECG-Low EF) directs users to contact a local representative or [email protected] for support, and mentions a 'Resource Center,' but lacks specific details on dedicated support personnel, guaranteed response times, or comprehensive product-specific documentation.

Feature-by-Feature

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

Feature qXR-CTR Tempus ECG-Low EF
Product Name qXR-CTR Tempus ECG-Low EF
Company Qure.ai Technologies Tempus AI
Primary Input Analyzed Chest X-ray images 12-lead ECG recordings
Core Function Automates measurement of the cardiothoracic ratio (CTR) Detects signs associated with low left ventricular ejection fraction (LVEF u226440%)
Output Automated cardiothoracic ratio (CTR) measurement Binary output (Low LVEF Detected / Not Detected)
Target Patient Population Not specified Patients 40 years or older at risk of heart failure

Videos

Demos, reviews, and walkthroughs featuring qXR-CTR and Tempus ECG-Low EF.

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Frequently Asked Questions

qXR-CTR by Qure.ai analyzes chest X-ray images to assess heart size. Tempus ECG-Low EF by Tempus AI analyzes 12-lead ECG recordings to detect signs of low left ventricular ejection fraction.
qXR-CTR automates the measurement of the cardiothoracic ratio (CTR) from chest X-rays, which aids in assessing heart size and potential heart failure risk. Tempus ECG-Low EF detects signs associated with low left ventricular ejection fraction (LVEF u226440%) and provides a binary output to aid clinicians in further evaluation for patients at risk of heart failure.
qXR-CTR provides an automated cardiothoracic ratio (CTR) measurement. Tempus ECG-Low EF delivers a binary output, indicating either 'Low LVEF Detected' or 'Not Detected'.
qXR-CTR is primarily intended for Cardiology and Radiology specialties. Tempus ECG-Low EF is intended for Cardiology, Emergency Medicine, and Internal Medicine.
qXR-CTR aids in assessing heart size and potential heart failure risk from chest X-rays without a specified age range. Tempus ECG-Low EF specifically aids in identifying patients 40 years or older at risk of heart failure by detecting signs of low LVEF.

Backers

Who funded each tool's parent company.

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