Bundle branch block is a disorder that affects the electrical impulses traveling to your heart. It may be a sign of underlying heart disease.
Cardiomyopathy is a heart muscle disease. Treatment options depend on what type of cardiomyopathy you have.
Enlarged heart is often a sign of a serious heart condition. Find out causes and treatments for enlarged heart.
Heart disease, usually thought of as blockages in the arteries that can cause a heart attack, can describe any medical condition affecting your heart.
Heart failure means your heart can't efficiently pump blood throughout your body. Medications, and sometimes devices or surgery, can help you manage this condition.
Hypertrophic cardiomyopathy is a genetic disorder in which heart muscle becomes abnormally thick. It's the most common cause of sudden cardiac death in young people.
Long QT syndrome is an electrical disturbance that can cause sudden, rapid heart rates. It can be genetic or a side effect of medication.
Tachycardia, a rapid heart rate, is caused by an abnormality in your heart's electrical impulses. Tachycardia can cause serious complications, including sudden cardiac arrest.
Apr. 10, 2013
- Tracy CM, et al. 2012 ACCF/AHA/HRS focused update of the 2008 guidelines for device-based therapy of cardiac rhythm abnormalities — A report of the American College of Cardiology Foundation/American Heart Association Task Force on Practice Guidelines. The Journal of Thoracic and Cardiovascular Surgery. 2012;144:e27.
- What is a pacemaker? National Heart, Lung, and Blood Institute. http://www.nhlbi.nih.gov/health/health-topics/topics/pace/. Accessed Jan. 29, 2013.
- What is a pacemaker? American Heart Association. http://www.heart.org/idc/groups/heart-public/@wcm/@hcm/documents/downloadable/ucm_300451.pdf. Accessed Jan. 29, 2013.
- How the healthy heart works. American Heart Association. http://www.heart.org/HEARTORG/Conditions/CongenitalHeartDefects/AboutCongenitalHeartDefects/How-the-Healthy-Heart-Works_UCM_307016_Article.jsp. Accessed Jan. 26, 2013.
- Fuster V, ed., et al. Hurst's The Heart. 13th ed. New York, N.Y.: The McGraw-Hill Companies; 2011. http://www.accessmedicine.com/resourceTOC.aspx?resourceID=5. Accessed Jan. 28, 2013.
- Goldberger AL, et al. Clinical Electrocardiography: A simplified approach. 8th ed. Philadelphia, Pa.: Elsevier Saunders; 2013. http://www.mdconsult.com/books/page.do?eid=4-u1.0-B978-0-323-08786-5..C2010-0-67269-5&isbn=978-0-323-08786-5&uniqId=402077730-3#4-u1.0-B978-0-323-08786-5..C2010-0-67269-5--TOP. Accessed Jan. 29, 2013.
- Saxon LA, et al. Overview of cardiac pacing in heart failure. http://www.uptodate.com/home. Accessed Jan. 29, 2013.
- McKean SC, et al. Principles and Practice of Hospital Medicine. New York, N.Y: The McGraw-Hill Companies; 2012. http://www.accessmedicine.com/resourceTOC.aspx?resourceID=749. Accessed Jan. 25, 2013.
- Lampert R, et al. HRS Expert Consensus Statement on the Management of Cardiovascular Implantable Electronic Devices (CIEDs) in patients nearing end of life or requesting withdrawal of therapy. 2010;7:1008.
- Grogan M (expert opinion). Mayo Clinic, Rochester, Minn. March 17, 2013.