Find out what's behind this life-threatening eating disorder and how to treat it.
Heart disease, usually thought of as blockages in the arteries that can cause a heart attack, can describe any medical condition affecting your heart.
Hyperthyroidism occurs when your thyroid gland produces too much of the hormone thyroxine — speeding up your metabolism and sometimes leading to serious complications.
Long QT syndrome is an electrical disturbance that can cause sudden, rapid heart rates. It can be genetic or a side effect of medication.
Lyme disease is a tick-borne illness. Left untreated, it can lead to serious and lingering complications — including arthritis.
Myocarditis is a disease in which the heart muscle becomes inflamed and swollen, often as the result of an infection.
Pituitary tumors are abnormal growths in the pituitary gland in the brain. Most are noncancerous (benign). Some may cause overproduction of hormones and associated problems.
Amniotic fluid embolism — Overview covers definition, symptoms and treatment of this pregnancy or post-pregnancy condition.
In aortic valve regurgitation, the aortic valve doesn't close tightly, causing blood to leak back into your heart.
Enlarged heart is often a sign of a serious heart condition. Find out causes and treatments for enlarged 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.
Mitral valve prolapse occurs when the valve separating two of your heart's chambers malfunctions. The disorder usually isn't serious and often doesn't require surgical treatment.
In mitral valve stenosis, the mitral valve is narrowed, obstructing blood flow between the chambers on the left side of the heart.
Coping and support
Anemia occurs in many forms, but all involve a shortage of healthy red blood cells. Treatment depends on what's causing your anemia.
Cardiomyopathy is a heart muscle disease. Treatment options depend on what type of cardiomyopathy you have.
Dizziness is one of the most common health concerns. However, few cases of dizziness are due to serious conditions.
Fatigue can signal many things. Here are some tips to help you decipher why you're wiped out and to regain your energy.
Shortness of breath can be frightening. Most of the time, a heart or lung condition is the cause.
Snoring may be just a nighttime annoyance, or it may indicate a more serious health condition. It can also disrupt your life and relationships.
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.
Tests and diagnosis
Echocardiogram allows your doctor to see your heart in motion. Here's what you need to know about the test.
An electrocardiogram (ECG or EKG) is a test that provides valuable clues about your heart health. Here's what you need to know about the test.
A stress test is used to diagnose coronary artery disease and heart arrhythmias, as well as guide treatment of heart disorders.
A tilt table test is used to investigate the cause of fainting (syncope).
Treatments and drugs
Implantable cardioverter-defibrillators (ICDs) can control abnormal, life-threatening heart rhythms and prevent cardiac arrest.
A pacemaker can correct a heartbeat that's too slow. Find out the risks, results and recovery time of the procedure to implant a pacemaker.
Feb. 27, 2013
- Arrhythmias. The Merck Manuals: The Merck Manual for Healthcare Professionals. http://www.merckmanuals.com/professional/cardiovascular_disorders/arrhythmias_and_conduction_disorders/overview_of_arrhythmias.html. Accessed Jan. 29. 2013.
- What is an arrhythmia? National Heart, Lung, and Blood Institute. http://www.nhlbi.nih.gov/health/health-topics/topics/arr/. Accessed Jan. 29, 2013.
- Substances & heart rhythm disorders. Heart Rhythm Society. http://www.hrsonline.org/Patient-Resources/Substances-Heart-Rhythm-Disorders#axzz2JbtJY5qH. Accessed Jan. 31, 2013.
- Stone CK, et al. Current Diagnosis & Treatment Emergency Medicine. 7th ed. New York, N.Y.: The McGraw-Hill Companies; 2011. http://www.accessmedicine.com/content.aspx?aID=55753892. Accessed January 28, 2013.
- Wang, PJ, et al. Supraventricular tachycardia. Circulation. 2002;106:e206.
- Drugs with risk of Torsades de Pointes. Credible Meds. http://www.azcert.org/medical-pros/drug-lists/list-01.cfm?sort=Generic_name. Accessed Jan. 30, 2013.
- Drugs with possible risk of Torsades de Pointes. http://www.azcert.org/medical-pros/drug-lists/list-02.cfm. Accessed Jan. 30, 2013.
- Understand your risk for arrhythmia. American Heart Association. http://www.heart.org/HEARTORG/Conditions/Arrhythmia/UnderstandYourRiskforArrhythmia/Understand-Your-Risk-for-Arrhythmia_UCM_002024_Article.jsp. Accessed Jan. 30, 2013.
- Antithrombotic therapy supplement. Bloomington, Minn.: Institute for Clinical Systems Improvement.https://www.icsi.org/_asset/bjr47w/Antithromb-Interactive0512.pdf. Accessed Jan. 29, 2013.
- Pradaxa (dabigatran etexilate mesylate): Drug safety communication. U.S. Food and Drug Administration. http://www.fda.gov/Safety/MedWatch/SafetyInformation/SafetyAlertsforHumanMedicalProducts/ucm282820.htm. Accessed Jan.28, 2013.
- Rix TA, et al. Omega-3 fatty acids and cardiac arrhythmias. Current Opinion in Clinical Nutrition and Metabolic Care. In press. Accessed Jan. 29, 2013.
- U.S. News best hospitals: Cardiology & heart surgery. U.S. News and World Report. http://health.usnews.com/best-hospitals/rankings/cardiology-and-heart-surgery. Accessed Feb. 1, 2013.
- Hands-only CPR fact sheet. American Heart Association. http://www.heart.org/HEARTORG/CPRAndECC/HandsOnlyCPR/LearnMore/Learn-More_UCM_440810_FAQ.jsp. Accessed Feb. 10, 2013.
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