A member asked:

I've been getting random heartbeat sensations in my left bicep that last like 3-4 seconds each time for the past 7 days what could this be?

A doctor has provided 1 answer

Muscle twitches: or spasms that last few seconds and resolve spontaneously. Drink some gatorade to get extra potassium and sodium, and hopefully this will resolve spasms

Answered 11/28/2017

1.2k views

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