Physio 29: Origin of the Heartbeat & the Electrical Activity of the Heart

from Clinical Deep Dives · host Dr Manaan Kar Ray

This is a free preview of a paid episode. To hear more, visit drmanaankarray.substack.comUnlike skeletal muscle, the heart does not require permission to act. Its rhythm arises from specialised tissue capable of spontaneous electrical activity—precise, reliable, and endlessly repeating.In this episode, Medlock Holmes investigates how the heartbeat originates and propagates through the heart’s electrical conduction system. We explore pacemak…

Episode metadata supplied by the publisher feed · Published Jan 29, 2026

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Physio 29: Origin of the Heartbeat & the Electrical Activity of the Heart

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