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Tiny human heart organoids open the door to safer, faster drug discovery

Millions of people live with atrial fibrillation, a racing, uneven heartbeat that can leave you exhausted and scared. Yet it ...
Medscape

Anatomy and Electrophysiology of the Human AV Node

The atrioventricular node (AVN) has mystified generations of investigators over the last century and continues today to be at the epicenter of debates among anatomists, experimentalists, and ...