How does the heart's electrical system control your heartbeat?
In short: This animation explains the cardiac conduction system and how it translates into an ECG. See how electrical signals travel through the heart and produce the waveforms on a heart monitor.
The animation walks through the cardiac conduction system, showing how electrical impulses originate in the sinoatrial node and travel through the atrioventricular node to the ventricles. It connects each wave and segment of an ECG to specific events in the cardiac cycle, such as the P wave representing atrial depolarization and the QRS complex marking ventricular depolarization. This visual breakdown helps understand how the heart’s electrical activity is recorded and interpreted in clinical settings.
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Sources
- Summary by Intellect · source: NEW! INTERACTIVE Animation: Cardiac Conduction System and Understanding ECG (EKG)
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