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Depolarization and repolarization of the heart action potential (atrial and ventricular contraction and relaxation) anatomy and physiology explained. Learn how the depolarization and repolarization of the heart works with this simple animation and lecture. The depolarization and repolarization process forms the PQRST waveform on the ECG / EKG. This video discusses atrial and ventricular depolarization and repolarization. Depolarization of myocardial cells leads to the contraction of the atria and/or the ventricles. Repolarization of myocardial cells leads to the relaxation of the atria and/or ventricles. ECG Quiz: https://www.registerednursern.com/quiz-on-the-electrical-conduction-system-of-the-heart-anatomy-pathophysiology/ Notes: https://www.registerednursern.com/depolarization-vs-repolarization-of-heart-action-potential-explained/ ECG Videos: https://www.youtube.com/watch?v=-X9rYD8zSQg&list=PLQrdx7rRsKfU-A9UTclI0tOYrNJ1N5SNt Website: https://www.registerednursern.com/ More Videos: https://www.youtube.com/watch?v=R2XMro13dD0&list=UUPyMN8DzkFl2__xnTEiGZ1w Nursing Gear: https://teespring.com/stores/registerednursern Instagram: https://www.instagram.com/registerednursern_com/ Facebook: https://www.facebook.com/RegisteredNurseRNs Twitter: https://twitter.com/NursesRN Popular Playlists: NCLEX Reviews: https://www.youtube.com/playlist?list=PLQrdx7rRsKfWtwCDmLHyX2UeHofCIcgo0 Fluid & Electrolytes: https://www.youtube.com/playlist?list=PLQrdx7rRsKfWJSZ9pL8L3Q1dzdlxUzeKv Nursing Skills: https://www.youtube.com/playlist?list=PLQrdx7rRsKfUhd_qQYEbp0Eab3uUKhgKb
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