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Hyperthyroidism occurs when your thyroid gland produces too much of the hormone thyroxine — speeding up your metabolism and sometimes leading to serious complications.
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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.
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.
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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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