What Is a Dangerous Pulse Rate?
Last Updated Apr 12, 2020 4:59:58 PM ET

According to Mayo Clinic, a dangerous heart rate is a resting heart rate below 60 beats per minute and above 100 beats per minute. The condition tachycardia refers to a pulse rate above 100 beats per minute, while the condition bradycardia refers to one below 60 beats per minute.
According to the Heart Center, arrhythmia is also a dangerous pulse rate, defined as irregular beating of the heart. Types of arrhythmia include atrial fibrillation, premature atrial contraction, atrial flutter, sick sinus syndrome, supraventricular tachycardia, sinus bradycardia and Wolff-Parkinson-White syndrome. The danger resulting from arrhythmia varies based on the type of condition.
More From Reference

What Does the Executor of a Will Do?

What Are the Age Limit Restrictions for IRA Contributions?

What Is an Ex-Dividend Date, and How Does It Affect Your Stocks?

What Is the Difference Between Salary and Wages?

How Many Minutes of Daylight Do We Gain Each Day? And Other Daylight Saving Time Facts

Understanding SSI: Supplemental Security Income Basics for New Applicants