Kardi AI Raises €5.3 Million for Heart Monitoring Expansion

Nov 11, 2026
Czech medical technology startup Kardi AI raised €5.3 million in Series A funding to expand its heart monitoring platform across Europe and Asia.

Kardi AI raised €5.3 million in a Series A round led by Callisto Health, according to Tech.eu. Česká spořitelna, Slovenská sporiteľňa, BrightCap Ventures, Purple Ventures, DEPO Ventures and Garage Angels also participated.

The Czech company combines a chest strap with an ECG sensor, a mobile app and AI analysis to monitor heart rhythms over long periods. Its system supports clinical decisions but does not provide diagnoses. More than 6,000 people have used the technology, and the company works with over 70 hospitals in the Czech Republic.

Kardi AI will use the funding to expand across Europe and Asia, with Germany, India, the United Arab Emirates and Singapore among its target markets. It also plans to develop models that estimate arrhythmia risk from multiple ECG measurements. These models will require clinical validation and regulatory approval before medical use.

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