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A normal heart rate for a healthy adult is between 60 and 100 beats per minute. Heart rates of more than 100 beats per minute (tachycardia) can be caused by:
Babies and children younger than 2 years old have higher heart rates because their body metabolism is faster. Heart rates decrease as children grow, and usually by the teen years the heart rate is in the same range as an adult's.
A fast heart rate may be caused by a more serious health problem. A heart problem or other medical conditions may sometimes cause a fast heart rate. A fast heart rate may cause palpitations, dizziness, lightheadedness, or fainting.
Heart rhythm problems that cause a fast heart rate include atrial fibrillation and supraventricular tachycardia (SVT).
If you have heart disease or heart failure, or if you have had a heart attack, be sure you understand the seriousness of a change in your heart rate or rhythm.
Other Works ConsultedOlgin JE, Zipes DP (2015). Specific arrhythmias: Diagnosis and treatment. In DL Mann et al., eds., Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine, 10th ed., vol. 1, pp. 748–797. Philadelphia: Saunders.Page RL, et al. (2015). 2015 ACC/AHA/HRS guideline for the management of adult patients with supraventricular tachycardia: A report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society. Circulation. DOI: 10.1161/CIR.0000000000000311. Accessed September 23, 2015.
ByHealthwise StaffPrimary Medical ReviewerWilliam H. Blahd, Jr., MD, FACEP - Emergency MedicineMartin J. Gabica, MD - Family MedicineE. Gregory Thompson, MD - Internal MedicineAdam Husney, MD - Family MedicineSpecialist Medical ReviewerDavid Messenger, BSc, MD, FRCPC, FCCP - Emergency Medicine, Critical Care MedicineH. Michael O'Connor, MD, MMEd, FRCPC - Emergency Medicine
Current as ofDecember 6, 2017
Current as of: December 6, 2017
Author: Healthwise Staff
Medical Review: William H. Blahd, Jr., MD, FACEP - Emergency Medicine & Martin J. Gabica, MD - Family Medicine & E. Gregory Thompson, MD - Internal Medicine & Adam Husney, MD - Family Medicine & David Messenger, BSc, MD, FRCPC, FCCP - Emergency Medicine, Critical Care Medicine & H. Michael O'Connor, MD, MMEd, FRCPC - Emergency Medicine
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