Blood flow animation | blood flow in the heart | cardiac hemodynamics | 3D blood flow
0:34
YouTubeHybridMedical
Blood flow animation | blood flow in the heart | cardiac hemodynamics | 3D blood flow
The heart’s internal blood flow is complex, beautiful, and driven by several components, including the four heart valves, ventricular makeup, the rhythmic contraction and relaxation cycles, the automatic nervous system, and hormonal influence. All these factors work in tandem to ensure continuous and efficient circulation of blood throughout ...
2.6K viewsNov 10, 2023
Heart Rate Zones
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
0:06
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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