Arrhythmias occur when there is a disruption in how the electrical signal develops or moves throughout the heart. Factors that can cause arrhythmias include:
External factors that are associated with arrhythmias include:
Symptoms, diagnosis & monitoring of arrhythmia. American Heart Association website. Available at: http://www.heart.org/HEARTORG/Conditions/Arrhythmia/SymptomsDiagnosisMonitoringofArrhythmia/Symptoms-Diagnosis-Monitoring-of-Arrhythmia_UCM_002025_Article.jsp. Updated October 25, 2012. Accessed March 19, 2014.
Understanding your risk for arrhythmia. American Heart Association website. Available at: http://www.heart.org/HEARTORG/Conditions/Arrhythmia/UnderstandYourRiskforArrhythmia/Understand-Your-Risk-for-Arrhythmia_UCM_002024_Article.jsp. Updated October 25, 2012. Accessed March 19, 2014.
What causes an arrhythmia? National Heart, Lung, and Blood Institute website. Available at: http://www.nhlbi.nih.gov/health/health-topics/topics/arr/causes.html. Updated July 1, 2011. Accessed March 19, 2014.
Last reviewed December 2014 by Michael J. Fucci, DO
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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