keep (one's) finger on the pulse(redirected from keep their finger on the pulse)
keep (one's) finger on the pulse
To maintain an awareness of current trends and happenings in a particular place. Sara keeps her finger on the pulse of nightlife in the city, so I would ask her where you should have your birthday party.
have/keep your finger on the ˈpulse (of something)know all that is happening; be aware of new developments in a particular situation: Successful politicians need to keep their finger on the pulse of the voters.
A doctor takes your pulse by putting his fingers on your wrist and counting the number of times the blood beats in a minute.