Why is my heart beating so fast? I'm suddenly shaking now. I don't know how this happened, all I know that I was playing a game then my heart started beating fast.

Tachycardia - Symptoms and causes - Mayo Clinic

Vagal AF - If you don't consider it, you will miss it - DR RICHARD BOGLE PHD FRCP FESC FACC DHMSA CONSULTANT CARDIOLOGIST

Is it normal for my heart to occasionally feel like it has an “extra downbeat” or a “heavier beat” every once in a while? - Quora

Fast Heart Rate: When to Worry - Ashchi Heart & Vascular Center

Why does my wife suddenly her heart beat so fast, her whole body start shaking & trembling, feels her too cold & sometimes go faint? When I took her to emergency, her

Why do I sometimes feel that my heart is beating in my head? - Quora

Is it normal to see your heart beat in your chest all the time? - Quora

Why is my heart beating so fast? I'm suddenly shaking now. I don't know how this happened, all I know that I was playing a game then my heart started beating fast.

Why does my heart beat really strongly and slightly irregularly at random times? After 5 seconds it's okay and steady again. - Quora

Why does my heart beat scarily once I think about a decision I will make? - Quora