One heartbeat, four chambers, perfect timing #anatomy #science #health
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Each heartbeat is made up of two main sounds known as S1 and S2. In this video, you'll see exactly how the S1 sound corresponds to the closing of the mitral and tricuspid valves at the start of ventricular contraction, and how the S2 sound is produced when the aortic and pulmonary valves close as the ventricles relax. This high-precision animation is created by Dr. Bahaa to help medical students understand the exact timing and coordination of heart sounds with valve motion. It's also made easy f
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TikToksmart.doctor
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The Dance of Heart Valves Explained
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TikToksmart.doctor
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Here's exactly what happens every time your heart beats 🫀 It starts with an electrical signal from the SA node — your heart's natural pacemaker. That signal tells your atria to contract, pushing blood down into the ventricles. Then the ventricles contract (ventricular systole): 🫀 Right ventricle → pumps deoxygenated blood to the lungs 🫀 Left ventricle → pumps oxygen-rich blood to the rest of your body After that, the heart enters diastole — a brief relaxation where the chambers refill and pre
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The cardiac cycle explained in 20 sec…🤯😳 #fyp #foryou #nursingstudent #medical
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