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- Heart Disease
I've been having some issues lately. I'm a 33-year-old guy, and when I'm just resting, my heart sometimes races up to 120-130 beats per minute. I had an ECG, and they said it's sinus tachycardia, but my echocardiogram came back normal. Even though tests seem alright, I still get this fluttery feeling when my pulse is high. What could this be? Can you give me some advice on what might be going on?