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Symptoms, diagnosis & monitoring of arrhythmia. American Heart Association website. Available at: http://www.heart.org/HEARTORG/Conditions/Arrhythmia/SymptomsDiagnosisMonitoringofArrhythmia/Symptoms-Diagnosis-Monitoring-of-Arrhythmia%5FUCM%5F002025%5FArticle.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%5FUCM%5F002024%5FArticle.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.