Carley is a writer, editor and social media professional. Before starting at Forbes Health, she wrote for Sleepopolis and interned at PBS and Nickelodeon. She's a certified sleep science coach and ...
Electrocardiograms (EKGs) can help diagnose heart failure by measuring the electrical activity of the heartbeat. Doctors use EKGs alongside other tests to help assess heart failure. Heart failure ...
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What is a dangerous heart rate?

Medically reviewed by Anisha Shah, MD Key Takeaways A heart rate over 100 bpm or under 60 bpm at rest can be ...