Heart-Monitoring Startup Raises €5.3 Million
A Czech medtech company combining wearable ECG sensing with AI analysis plans expansion into Europe and Asia.
Updated on Nov. 11, 2026 in Heart Disease
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A Czech heart-monitoring startup, a medtech company, has raised €5.3 million in a Series A round led by Callisto Health. The funding will support expansion into Germany, India, the United Arab Emirates and Singapore.
Why it matters
Traditional cardiac examinations capture heart activity over a limited period and can miss intermittent irregularities. Continuous monitoring during everyday activities aims to close that gap for patients and physicians.
The funding round raised €5.3 million, and the company reports that its monitoring has flagged possible arrhythmias in about a quarter of more than 6,000 users. These are company-reported figures, and clinical outcomes linked to those flags have not been independently published.
The players
Callisto Health
Callisto Health is the investor that led the Series A round for the Czech heart-monitoring startup.
Česká spořitelna
Česká spořitelna is a Czech retail bank that participated in the funding round through the Seed Starter program.
The details
The platform pairs a fitness chest strap with an ECG sensor, a mobile application and AI analysis of ECG recordings. It lets patients monitor heart rhythm during everyday activities and generates data for physicians, and the company works with more than 70 hospitals and 20 corporate partners in the Czech Republic.
Timeline
Several months ago: the company entered the Slovak market.
Following completion of pilot projects: planned entry into Germany.
Health Landscape
Ambulatory Holter ECG monitoring has long been the standard for capturing intermittent rhythm problems over a set period. This startup's approach extends that model toward continuous, everyday wearable monitoring feeding AI analysis.
Wearable monitoring could help people with suspected heart rhythm irregularities have their activity captured outside a clinic. Any clinical use of the predictive models will depend on validation and regulatory approval that have not yet occurred.
The takeaway
Continuous wearable ECG data may catch irregularities that brief clinic visits miss, but its clinical value depends on validation. Patients should discuss any heart rhythm symptoms with a physician rather than rely on consumer monitoring alone.
Further reading
Explore more on Heart Disease and how monitoring technology is changing cardiac care.
Source note: This article includes information reported by Tech.
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