What's wrong with a fast heartbeat?

Sep 29 20214 people replied
Description Of Condition:

The usual heartbeat is about 110, a little nervous about 135.After the work tired feeling super fast heartbeat, beating especially fierce, how many times a minute did not measure.The heart ultrasound was normal, but it was just beating fast.I had my blood drawn and my nail function was normal.What is my condition?

Related Questions
See more related questions