Eko Foundation Analysis Software with Transformers (EFAST)
Overview
Eko Foundation Analysis Software with Transformers (EFAST) is a cloud-based Software as a Medical Device (SaMD) designed to offer clinical decision support to healthcare professionals. It aids in the evaluation of patients’ heart sounds (phonocardiogram, PCG) and electrocardiograms (ECGs). The software utilizes advanced signal processing techniques and deep neural networks to simultaneously analyze recorded heart sounds and ECG data, identifying the presence of murmurs associated with Structural Heart Disease and determining their timing. When ECG data is available, EFAST also accurately detects atrial fibrillation and normal sinus rhythm. Built upon Eko’s proprietary cardiac foundation model, trained on millions of anonymized heart sound and ECG recordings, EFAST delivers robust performance across various cardiac conditions. It seamlessly integrates with Eko’s digital stethoscopes within the Eko+ software experience, providing real-time AI analysis, enhanced audio, waveform visualization, and guided examinations for clearer, more actionable insights at the point of care.
Reviewed by Pouyan Golshani, MD — Interventional Radiologist
Key Features
- AI-powered structural murmur detection (93% sensitivity, 91% specificity)
- AI-powered atrial fibrillation (AFib) detection (95% sensitivity, 94% specificity)
- Real-time AI analysis during auscultation
- Enhanced audio with noise cancellation and amplification
- Waveform visualization and guided exams
- Seamless integration with Eko digital stethoscopes (e.g., CORE 500)
- Cloud-based recording and secure storage of exams
- EMR integration for streamlined documentation
- Differentiation of systolic, continuous, and diastolic murmur timing
- Calculates heart rate and determines murmur timing
Use Cases
- Early detection of cardiovascular disease in primary care settings
- Screening for structural heart murmurs during routine physical exams
- Detecting atrial fibrillation to prevent stroke
- Providing clinical decision support at the point of care
- Monitoring patient cardiac health over time through recorded exams
- Facilitating telemedicine and virtual care consultations
What Physicians Need to Know
EFAST is intended to support healthcare professionals in evaluating patients' heart sounds and ECGs, calculating heart rate, and detecting murmurs associated with Structural Heart Disease and atrial fibrillation. It is not intended to be used as a sole means of diagnosis, and the interpretations offered by the software are designed to support, not replace, clinical judgment. The murmur detection is for both pediatric and adult patients, while AFib detection is for adults (>18 years). The software integrates into current workflows, providing real-time AI analysis through the Eko App and Eko+ without additional steps or separate portals.
EFAST integrates seamlessly with Eko's digital stethoscopes, including the CORE 500™ Digital Stethoscope and 3M™ Littmann® CORE Digital Stethoscope, within the Eko App and Eko+ software experience. It provides real-time AI analysis, enhanced audio, waveform visualization, and guided exams.
Details
| Category | Cardiology AI |
| Pricing | Subscription-based, contact for details |
| Deployment | Cloud-based Software as a Medical Device (SaMD) |
| Compliance | |
| BAA Available | Yes AI-estimated |
| HIPAA Compliant | Yes AI-estimated |
| FDA Status | Cleared AI-estimated |
| Integrations | |
| EHR | Not specified |
| Specialties | Cardiology, Family Medicine, Internal Medicine |
What the Web Says
Eko Foundation Analysis Software with Transformers (EFAST) is designed to assist healthcare professionals in evaluating heart sounds and ECG data to detect murmurs, arrhythmias, and low ejection fraction. It is often paired with Eko's digital stethoscopes, such as the CORE 500, to provide real-time AI-powered analysis and improve the detection of cardiac conditions. Many healthcare professionals find it a valuable tool for enhancing diagnostic capabilities and patient education.
Overall: MixedStrengths
- Improved detection of cardiac conditions like murmurs, AFib, and low ejection fraction.
- Real-time AI-powered analysis of heart sounds and ECG.
- Enhanced sound quality, amplification, and noise cancellation, especially in loud environments.
- Ability to record, save, and share patient data for review, consultation, and educational purposes.
- Integration with EMRs and billing systems for seamless documentation.
- Useful for patient education by allowing them to hear their own body sounds.
Limitations
- Potential for reduced specificity, which could lead to false positives and unnecessary referrals.
- Concerns about data harvesting and privacy due to the requirement of linking professional email or NPI number and inability to delete payment methods.
- Some users find the device heavy around the neck.
- Bluetooth connectivity can be unreliable or have a delay.
- EKG feature may not work well on hairy chests.
- Durability issues reported by some users, with electronic components failing after a short period.
Based on reviews from: kpi.ua, ekohealth.com, innolitics.com, thehealthtechsignal.com, cardiovascularbusiness.com, iatrox.com, reddit.com, aideviceindex.com, emergenresearch.com, tenereteam.com, trustpilot.com, reviews.io, youtube.com
Last updated: 2026-10-29
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