n Atrian Medical, a medtech start-up, has closed a €2.3 million seed round. The NUI Galway spin-out will use the funding to commercialise a new treatment for atrial fibrillation. The condition causes irregular heartbeats that result in palpitations, weakness, fatigue and dizziness.

The Atrian Medical device delivers electrical signals that knock out hyperactive nerve cells and reduce the overall sensitivity of the heart to atrial fibrillation. The technology was conceived at the Mayo Clinic in...

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