HeartGuard: Satellite-Powered Tachycardia Travel Monitor

💎 Idea

Millions of people with cardiovascular diseases—especially tachycardia—face health risks when traveling, as environmental factors like air pollution, heatwaves, and high altitude can trigger dangerous episodes. Existing health monitors and travel apps rarely consider the environment or offer true preventive alerts. HeartGuard is an AI-powered platform that combines wearable vitals monitoring with real-time satellite data (air quality, temperature, location) to predict, prevent, and respond to heart risks during travel. The system warns users about risky conditions, provides proactive advice, and can automatically alert doctors or emergency services if a crisis is detected—empowering heart patients to travel safely and confidently.

🛰️ EU Space Technologies

HeartGuard leverages Copernicus Earth Observation data (CAMS for air quality, ERA5 for weather/temperature, Sentinel-5P for pollution, and CEMS for emergency events) to track and forecast environmental risk factors at the user’s precise location. Using Galileo GNSS, HeartGuard ensures accurate, reliable positioning to match environmental risks to each user and enable precise emergency location sharing. This space-enabled data fusion allows our AI to deliver truly personalized, context-aware health predictions—providing value that is simply not possible with conventional consumer devices.

EU Space for Healthcare

Challenge: Monitoring Disease Outbreaks and Health Risks (primary), with elements of Smart Emergency Healthcare Delivery.

HeartGuard advances the healthcare ecosystem by delivering a unique, preventive tool that empowers people with heart disease to manage their condition wherever they go. By combining personal health signals with dynamic, satellite-driven risk assessment, HeartGuard helps users avoid crises, reduces unnecessary emergency interventions, and enables rapid, coordinated response when needed. This directly contributes to public health, prevention, and more efficient healthcare delivery.

Mr. Dzenis – IT Support & Engineering Lead:With 10 years of military experience and a background in both civilian and military engineering, Mr. Dzenis brings strong problem-solving skills, technical know-how, and resilience to the team. Passionate about using technology to improve lives, he is actively seeking open-minded collaborators with expertise in software development, data science, healthcare, and user experience design to join HeartGuard.

Currently looking for a motivated on-site presenter and teammates with skills in app development, AI/data analytics, cardiology, and design. If you’re passionate about health innovation and ready to make an impact, let’s connect!

: https://github.com/0dzenis0/CASSINI_hackathon_2025

💎 The Original SparkIt started with one simple but powerful insight: millions of cardiac patients—especially those with tachycardia—live in constant fear any time they travel, because air pollution, heatwaves, and even high altitude can trigger life-threatening episodes. Traditional fitness trackers and travel apps simply react to your heart rate or weather; they don’t predict danger or empower you to avoid it.

🛰️ Tapping Europe’s Space AssetsInspired by the 9th CASSINI “Space for Healthcare” challenge, we realized that Copernicus and Galileo held the missing piece:

• CAMS & Sentinel-5P for up-to-the-minute air-quality alerts

• ERA5 for hyper-local temperature and humidity forecasts

• CEMS for real-time emergency event warnings

• Galileo GNSS for meter-precision location tagging and, one day, seamless SAR (Search & Rescue) integration

By fusing these data streams with live wearable vitals, we could build an AI-powered early-warning platform: HeartSight.

🚀 Rapid Prototyping & Technical BreakthroughsWithin days of the hackathon kick-off, our team:

1. Spun up a FastAPI pipeline that ingests Cassini/Copernicus data every hour and stores it in a Time-Series DB + Redis cache.

2. Developed a TinyML model (TensorFlow Lite) to predict 24-hour cardiac risk on-device, with rule-based fallbacks for critical alerts.

3. Built Android and ReactJS web dashboards that display a color-coded 24-hour risk timeline, real-time map overlays, and one-tap SOS messaging to emergency contacts.

4. Ensured 100% on-device storage of health data—privacy was non-negotiable from day one.

🤝 Mentors & Multidisciplinary Teamwork

• Anita (Backend Engineer) tackled data ingestion and cloud deployment in Docker,

• Berhan (medicine & Data Scientist) defined medical thresholds and guided our AI tuning,

• Edgars (Android/Web Developer) delivered slick mobile and web interfaces—fuelled by a personal mission to protect his own aunt from tachycardia scares.

We leaned on CASSINI mentors for Kineis IoT guidance, satellite-data best practices, and legal counsel around GDPR and medical-device liability. Every line of code and design decision was battle-tested in mentor “office hours.”

🏆 Today’s Demo-Ready SolutionHeartSight is no longer just an idea—it’s a working prototype ready for judges to explore:

• Live Cassini feeds power contextual risk scoring.

• TinyML predictions run right on your phone.

• Privacy-first architecture stores all vitals on-device.

• Emergency SOS shares your exact Galileo-derived location.

🌍 Impact & Next StepsWe’re poised to partner with travel insurers, healthcare providers, and OEM wearable makers to bring this to millions of travelers. By preventing crises before they strike, we’ll reduce emergency care costs and unlock worry-free adventures for elderly cardiac patients everywhere.