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| | Long QT syndrome: Causes - MayoClinic.com (Site not responding. Last check: 2007-09-10) |
 | | In other words, the QT interval refers to the length of time it takes cells in your heart's lower chambers to electrically discharge and then recharge. |
 | | Medications capable of prolonging the QT interval and upsetting heart rhythm include certain antibiotics, antidepressants, antihistamines, diuretics, heart medications, cholesterol-lowering drugs, diabetes medications, as well as some antifungal and antipsychotic drugs. |
 | | People who develop drug-induced long QT syndrome also may have some subtle genetic defects in their hearts, making them more susceptible to arrhythmias from taking drugs that can cause prolonged QT intervals. |
| www.mayoclinic.com /health/long-qt-syndrome/DS00434/DSECTION=3 (797 words) |
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