Electrical System of the Heart

Picture of the heart's electrical system

The heart's electrical signal travels through pathways (yellow). This stimulates your upper chambers (atria) and lower chambers (ventricles) to contract.

Credits

ByHealthwise Staff
Primary Medical ReviewerE. Gregory Thompson, MD - Internal Medicine
Specialist Medical ReviewerJohn M. Miller, MD - Electrophysiology
Last RevisedNovember 2, 2010
By: Healthwise StaffLast Revised: November 2, 2010
Medical Review: E. Gregory Thompson, MD - Internal Medicine
John M. Miller, MD - Electrophysiology

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