CHD Screening

We are building a global network of doctors and nurses using the One Heart App to detect heart defects early, in places where no pediatric cardiologist is locally available. With your support and your network, we can keep reaching the children who need screenings the most.

As we close out 2025, One Heart Health is seeing powerful momentum: our partners in Nigeria have integrated our app across 5 rural sites across Osun and Ekiti States and are adding 2 more before the year ends; in Bolivia our partners are expanding their screening network by adding 10 new doctors across multiple sites; in Mongolia our partners have expanded their screening program to 3 new hospitals in Ulaanbaatar; and new partnerships are forming in Kenya and Tanzania. One Heart Health now supports the screening of over 1,000 newborns and children a month!

The technology is working and the demand is growing. Our biggest barrier now is funding. To sustain and scale this impact, we need resources to train providers, equip clinics, and expand into new regions to reach more hearts.

Technology Development and CHD Research

As we look ahead to 2026, sustaining our technology to support CHD screenings is our top priority. We successfully launched the One Heart App and proved the power of our detection algorithm. However, the One Heart App, our machine learning algorithms, and our cloud infrastructure must all be updated and maintained regularly to enable doctors to screen children for CHD.

Another objective of our team is to continue advancing research with our screening partners in AI analysis on digital heart sounds. The second phase of the Digital Heart Sounds Study is on track to gather over 50,000 heart sounds that will unlock new insights and capabilities for AI analysis to accurately detect heart defects in children. This research is led by our partner doctors onsite in Bolivia, Mongolia, and Nigeria.

Mongolia

Partnering with three major hospitals in Ulaanbaatar to expand CHD screenings in underserved communities.

Bolivia

Equipping doctors with the One Heart App to screen thousands of children across urban and rural areas.

Nigeria

Our largest partner program, with 5+ sites and growing, connecting frontline care to life-saving CHD detection.

Accomplishments of 2025:

• Launched and improved the One Heart App to version 1.3.2: Released to app stores with upgraded digital auscultation and AI-ready infrastructure.
• Screened 3,500+ children globally: Enrolled patients across Bolivia, Mongolia, and Nigeria using the One Heart App.
• Published data from the Digital Heart Sound Study: Major milestone validating AI murmur detection. Visit our publications page to learn more.
• Launched Digital Heart Sound Study 2.0: Frameworks in place and partner commitments secured to screen 25,000 children in 2026.
• Developed machine learning models: Hundreds of models tested and integrated into the app (May 2025).
• Designed pilot CHD screening frameworks: Connected rural clinics in Bolivia, Mongolia, and Nigeria to specialist care networks.
• Hosted international workshop at WCPCCS 2025: Strengthened partnerships and opened expansion paths for 2026.

Goals for 2026:

• Expand CHD screening programs: Launch or strengthen initiatives in India, Kenya, and Tanzania.
• Maintain best-in-class mobile screening app: Ensure high performance on both Android and iOS.
• Improve real-time web dashboard: Boost visibility and data-sharing for hospitals, partners, and teams.
• Enhance AI algorithm accuracy: Increase sensitivity/specificity in murmur detection.
• Screen 25,000 children by end of 2026: Scale programs to reach more children with early CHD detection.

Hear from Our Executive Director

From AI breakthroughs to expanded screenings in Nigeria, Bolivia, and Mongolia, 2025 was a year of great progress. In a special letter, Executive Director Aaron Faugstad reflects on the momentum we’ve built and how your support funds our vision for 2026 and beyond.