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.

Shaking Hands: Causes and Treatments Explained - GoodRx

Everytime I stand up my heart beat goes extremely fast and I feel deezy. What should I do? - Quora

My heart beat suddenly becomes fast, I have done all the tests, all the reports are normal and there is nervousness, sweating also comes. Why is the heart beat fast? - Quora

Low Heart Rate – Bradycardia Explained by a Heart Doctor • MyHeart

My heart beats normally, but I keep worrying about it as if it will stop or something. How can I stop this? - Quora

What can be wrong if I feel my strong heart beats and my body shake with it? - Quora

Heart Palpitations (for Parents)

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

Sometimes, parts of my body start beating like a heart when I am sitting or lying on a bed. Is this normal? - Quora

When to Worry About Heart Palpitations and See a Doctor

Have you ever woken up with an increased heart rate?

How to get over a fear that my heart is going to stop beating - Quora

Racing Heart? 12 Reasons Your Heart Rate Won't Go Down

Steamy yet Sophisticated: How to Write the Perfect Kissing Scene - Bookfox

Why does my heart start beating fast when I'm nervous? - Quora