Finger on the pulse
Meaning
Be very aware of current trends or feelings.
Usage
Used for people who sense shifts quickly.
Origin & History
Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.
Medical practice of taking a pulse to know a patient’s condition.
Used since the 19th century in medicine before moving into journalism.