The Cardiac Cycle is SO EASY! Stop Making it Hard!

Leslie Samuel from Interactive Biology explains the cardiac cycle, covering the flow of blood through the heart, the role of the electrocardiogram (ECG), and the phases of atrial and ventricular systole. The video breaks down complex concepts like isovolumetric contraction and ejection, and discusses the sounds of the heartbeat. The tutorial aims to simplify the understanding of the cardiac cycle, making it accessible and engaging.

What is the cardiac cycle and what does it encompass?

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Describe the role of the Atria in the cardiac cycle.

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What happens during atrial systole and how does it affect ventricular volume?

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Explain the significance of the QRS complex in the electrocardiogram.

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What is isovolumetric contraction and why is it important?

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How does the ventricular pressure change during the ejection stage?

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What causes the sounds of the heartbeat, and when do they occur in the cardiac cycle?

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