Depends: If you are exercising or if it's just racing for no reason. A rule of thumb for max hr for exercise is 80% of 220-age. If you're having resting tachycardia, best to have it checked out. Could be something that needs attention!
Answered 12/9/2013
4.9k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question