Find out about this rare cause of heart attack in young, healthy people.
Atrial septal defect (ASD) is an abnormal opening between the heart's upper pumping chambers. It's common and readily treated.
High stress levels at work can steal the joy from life. Learn how to turn the tables on job stress, starting today.
Diabetic hypoglycemia — Comprehensive overview covers causes, symptoms and treatment of low blood sugar.
Dizziness is one of the most common health concerns. However, few cases of dizziness are due to serious conditions.
Echocardiogram allows your doctor to see your heart in motion. Here's what you need to know about the test.
Eisenmenger syndrome, a complication of congenital heart defects, can be life-threatening if not properly treated. Find out more.
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.
Heart palpitations are skipped, fluttering or racing heartbeats that aren't usually a symptom of a serious heart problem. Discover the causes and symptoms of this condition.
Hyperthyroidism occurs when your thyroid gland produces too much of the hormone thyroxine — speeding up your metabolism and sometimes leading to serious complications.
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.
Hypoglycemia occurs when you have an abnormally low level of blood sugar (glucose) — your body's main energy source. Various underlying conditions can cause
Intermittent explosive disorder involves aggressive, violent behavior that's out of proportion to what triggered the behavior. Episodes may be separated by long periods of time.
Left ventricular hypertrophy, thickening of the wall of your heart's main pumping chamber, increases your risk of cardiovascular diseases.
Long QT syndrome is an electrical disturbance that can cause sudden, rapid heart rates. It can be genetic or a side effect of medication.
High blood pressure affecting only the arteries in your lungs is known as pulmonary hypertension. Discover the symptoms, risk factors and treatment for this condition.
Pulmonary valve stenosis is a narrowing of the valve that controls blood flow from your heart to your lungs. It's usually present at birth.
Rheumatic fever, an inflammatory disease triggered by untreated or poorly treated strep throat, can cause permanent heart damage.
Shortness of breath can be frightening. Most of the time, a heart or lung condition is the cause.
Sudden cardiac arrest is a medical emergency. Rapid treatment improves your chances of survival.
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.
Vasovagal syncope (fainting) is a sudden and brief loss of consciousness that occurs when the blood flow to your brain is markedly reduced.
An abnormal electrical pathway in the heart causes the rapid heart rate of Wolff-Parkinson-White syndrome.
Apr. 02, 2014
- Zimetbaum PJ. Overview of palpitations in adults. http://www.uptodate.com/home. Accessed Nov. 26, 2013.
- Palpitations. National Heart, Lung, and Blood Institute. http://www.nhlbi.nih.gov/health/dci/Diseases/hpl/hpl_all.html. Accessed Nov. 26, 2013.
- Wexler RK, et al. Outpatient approach to palpitations. American Family Physician. 2011;84:63.
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