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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TikTokdrdavidabbasi
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
Dr. David Abbasi, MD(@drdavidabbasi). original sound - Dr. David Abbasi, MD. 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 ...
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(5/24/26) UPDATE: In a later update, OCFA clarified that there is one known crack in the tank, plus peeling of the weather stripping on the exterior. ----------- ORIGINAL: In an update on Sunday evening, Orange County Fire Authority officials said they have discovered multiple cracks in an unstable chemical tank at GKN Aerospace, not just one. AIR7 video shows firefighters climbing a ladder up to the top of the tanks. Read more at the link.
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(5/24/26) UPDATE: In a later update, OCFA clarified that there is one known crack in the tank, plus peeling of the weather stripping on the exterior. ----------- ORIGINAL: In an update on Sunday evening, Orange County Fire Authority officials said they have discovered multiple cracks in an unstable chemical tank at GKN Aerospace, not just one. AIR7 video shows firefighters climbing a ladder up to the top of the tanks. Read more at the link.
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