Why Your Heart Rate Suddenly Increases 🫀 (Explained Simply)
1:44
YouTubeMed Made Simple
Why Your Heart Rate Suddenly Increases 🫀 (Explained Simply)
Ever felt your heart suddenly beating fast… even at rest? A racing heart can feel frightening, but the causes are often completely normal. In this video, you’ll learn: What heart rate actually means Why stress and adrenaline speed it up How dehydration affects your heartbeat The role of caffeine and blood sugar When a fast heartbeat needs ...
1K views5 months ago
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Elevated heart rates can be cause by lots of things like crying, anxiety, dehydration, medications, sepsis, heart problems, but the most common cause is fever! #fever #sepsis #emergency #sick #heart #vital #tachycardia Disclaimer: For educational and entertainment purposes only and should not be regarded as medical advice or replace the advice of your physician | Dr.Beachgem10
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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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