Question

What causes the heart beat very fast ?



No irrelevant answers please. ​

Answer 1

Explanation:

Here is your answer Hope it's Helps you

Most of the time, they're caused by stress and anxiety, or because you've had too much caffeine, nicotine, or alcohol. They can also happen when you're pregnant. In rare cases, palpitations can be a sign of a more serious heart condition.

Answer 2

Answer:

sudden fear , stress , shocking news etc causes heavy heart beat

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