What Is a Dangerous Heart Rate?

Too high or too low of a heart rate can pose serious health risks. Learn more about what is considered a dangerous heart rate and how to manage it.

Tachycardia: Symptoms, Causes & Treatment

Tachycardia (Fast Heart Rate) in Children

When Is Your Heart Rate Considered Dangerous?

Is the heart rate between 44 and 62 beats okay?

Does having a resting heart rate of 50 mean you have a strong heart? - Quora

Bradycardia - EMCrit Project

What's Normal Pulse Rate For You?, Health Care For Every One, by Healthchanger

What Is a Dangerous Heart Rate? - Causes and Symptoms

Heart Health Stats: Blood Pressure, Cholesterol & Heart Rate, St. Luke's Health