Imbio PHA (4.0.0) vs Tempus ECG-AF

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 Imbio (a subsidiary of 4DMedical)
VS
by Tempus AI, Inc.

AI Verdict

Tool A specializes in analyzing CT pulmonary angiogram scans to provide automated measurements of cardiac structures, aiding in the diagnosis and risk stratification of pulmonary embolism and hypertension. Conversely, Tool B focuses on analyzing 12-lead ECG recordings to identify patients aged 65 or older at increased risk of developing atrial fibrillation within the next 12 months. While both are FDA-cleared AI tools in cardiology, their distinct input modalities (CT vs. ECG) and specific clinical applications mean they address different diagnostic needs within the field.

Choose Imbio PHA (4.0.0) if…

Choose Imbio PHA if your clinical workflow involves CT pulmonary angiogram (CTPA) scans and you require rapid, automated measurement of cardiac structures to assess potential right ventricular dilation. This tool is ideal for aiding in the diagnosis and risk stratification of pulmonary embolism and hypertension, providing quantitative insights directly from imaging data.

View Imbio PHA (4.0.0) →

Choose Tempus ECG-AF if…

Choose Tempus ECG-AF if your objective is to proactively identify patients aged 65 or older who are at an increased risk of developing new-onset atrial fibrillation/flutter within the next 12 months, utilizing standard 12-lead ECG recordings. This solution is best suited for integrating into routine cardiology or primary care screenings to support earlier identification and follow-up for at-risk elderly patients without pre-existing AF.

View Tempus ECG-AF →

Reviewed by Pouyan Golshani, MD — Interventional Radiologist

Quick Comparison

Feature Imbio PHA (4.0.0) Tempus ECG-AF
Pricing Unknown Contact vendor
Deployment Cloud (AWS) or On-premise (VMware) or via partners (Nuance, Aidoc, Siemens Syngo.via, TeraRecon, FerrumHealth, Flywheel). Software solution, integrated into healthcare facility systems with advanced cardiology algorithms.
BAA Available Unknown Yes AI-estimated
FDA Status Yes AI-estimated Yes 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

Imbio PHA (4.0.0)

Imbio PHA integrates with native DICOM tools and workflows, generates annotated DICOM images, and provides summary reports in PDF format, facilitating direct clinician review within existing systems. In contrast, Tempus ECG-AF explicitly states it 'does not have a dedicated user interface (UI)', suggesting a more backend, integrated solution that may offer less direct clinician interaction.

Clinical Value

Tie

Both tools offer significant and distinct clinical value. Imbio PHA aids in the diagnosis and risk stratification of pulmonary embolism and hypertension by assessing right ventricular dilation from CTPA scans. Tempus ECG-AF identifies patients at increased risk of developing atrial fibrillation/flutter within 12 months from ECG recordings, supporting earlier identification and follow-up. Both are FDA-cleared and address critical cardiovascular conditions.

Pricing & Value

Tempus ECG-AF

Tempus ECG-AF provides clear transparency regarding its financial value proposition by stating that CMS reimbursement is available with specific CPT codes and a Medicare rate of $128.90, effective January 1, 2025. Imbio PHA, on the other hand, only states 'contact for pricing,' offering no public information on cost or reimbursement pathways.

Enterprise Readiness

Imbio PHA (4.0.0)

Imbio PHA demonstrates greater enterprise readiness through its flexible deployment options, including Cloud, Enterprise (on-premise), or via partners. While Tempus ECG-AF integrates into healthcare facility systems, Imbio's explicit mention of multiple deployment models caters to a wider range of organizational IT infrastructures and preferences.

Innovation

Tempus ECG-AF

Tempus ECG-AF showcases a higher degree of innovation by applying AI to predict the *future risk* of atrial fibrillation within 12 months, a predictive analytics capability. This is further supported by its training on a large dataset of over 1.5 million ECGs from 500,000 patients. Imbio PHA, while valuable, focuses on automated measurement of existing cardiac structures from CT scans.

Support & Docs

Imbio PHA (4.0.0)

Imbio PHA explicitly provides an online user manual available at its support documentation page and a direct support email address. Tempus ECG-AF offers contact information for a dedicated Cardiology Support team via email and phone. However, the explicit availability of a user manual for Imbio PHA provides a clear advantage in terms of readily accessible self-service documentation.

Feature-by-Feature

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

Feature Imbio PHA (4.0.0) Tempus ECG-AF
Primary Function/Purpose Automatically measures cardiac structures from CT pulmonary angiogram (CTPA) scans to assess potential right ventricular dilation and aid in the diagnosis and risk stratification of pulmonary embolism and hypertension. Analyzes 12-lead ECG recordings to identify patients aged 65 or older at increased risk of developing atrial fibrillation/flutter (AF) within the next 12 months, supporting earlier identification and follow-up.
Input Data Type CT pulmonary angiogram (CTPA) scans 12-lead ECG recordings
Output/Measurements Automated measurement of right and left ventricle diameters, main pulmonary artery and aorta diameters; calculates RV/LV and PA/Ao ratios; generates annotated DICOM images and summary reports in PDF format. Detects signs associated with new onset Atrial Fibrillation (AF) within 12 months.
Target Patient Population/Use Case Aids in diagnosis and risk stratification of pulmonary embolism and hypertension. Patients 65 years or older without pre-existing AF, pacemakers, ICDs, or recent cardiac surgery, at increased risk of developing atrial fibrillation/flutter (AF) within the next 12 months.
Specialties Supported Cardiology, Pulmonology, Radiology Cardiology, Geriatrics, Internal Medicine
Company Tagline Transforming Imaging with AI to turn medical images into life-changing insights. Advancing precision medicine through the practical application of artificial intelligence in healthcare.

Videos

Demos, reviews, and walkthroughs featuring Imbio PHA (4.0.0) and Tempus ECG-AF.

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Frequently Asked Questions

Imbio PHA (4.0.0) is designed to automatically measure cardiac structures from CT pulmonary angiogram (CTPA) scans to assess potential right ventricular dilation, aiding in the diagnosis and risk stratification of pulmonary embolism and hypertension. Tempus ECG-AF, conversely, analyzes 12-lead ECG recordings to identify patients aged 65 or older at increased risk of developing atrial fibrillation/flutter (AF) within the next 12 months.
Imbio PHA (4.0.0) specifically utilizes CT pulmonary angiogram (CTPA) scans as its input. Tempus ECG-AF analyzes 12-lead ECG recordings, compatible with FDA authorized resting 12-lead ECGs from GE Medical Systems and Philips Medical Systems.
Imbio PHA (4.0.0) is intended for use by thoracic radiologists, general radiologists, pulmonologists, cardiologists, imaging technologists under physician supervision, or researchers to aid in assessing right ventricular enlargement. Tempus ECG-AF is intended for patients aged 65 or older without pre-existing AF, pacemakers, ICDs, or recent cardiac surgery.
Imbio PHA (4.0.0) generates annotated DICOM images and provides summary reports in PDF format, including automated measurements of right and left ventricle diameters, main pulmonary artery and aorta diameters, and calculated RV/LV and PA/Ao ratios. Tempus ECG-AF provides results indicating whether a patient is at increased risk of experiencing new onset AF within the next 12 months, which should be interpreted with other diagnostic information and clinical history.
Tempus ECG-AF has CMS reimbursement available, with CPT 0764T and CPT 0765T assigned to APC 5734, at a Medicare rate of $128.90, effective January 1, 2025. The provided information for Imbio PHA (4.0.0) does not mention specific reimbursement details.
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