Researchers at Columbia University Medical Center and the Data Science Institute at Columbia University have uncovered a potentially dangerous drug interaction using data science. Their findings were published in the latest ...
Oct 10, 2016
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Mohamed Boutjdir, PhD, professor of medicine, cell biology, and physiology and pharmacology at SUNY Downstate Medical Center, has led a study with international collaborators identifying the mechanism by which patients with ...
Jul 6, 2015
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An over-the-counter cough suppressant can knock some heart cells back into rhythm, a finding that may lead to a new way to treat a rare heart condition called long QT syndrome.
Feb 18, 2022
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Dear Mayo Clinic: Recently, I was diagnosed with ventricular tachycardia, but doctors said a cause cannot be determined. What usually causes this problem? Does knowing the cause make a difference in treatment?
Jan 23, 2020
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Grapefruit juice is already listed as a substance to avoid when taking QT-prolonging medications because it increases the toxicity of many drugs. Investigators have now confirmed the QT-prolonging effects of grapefruit juice ...
May 8, 2019
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An international panel of experts from The Heart Rhythm Society and the European Heart Rhythm Association issued new guideline recommendations for all health care professionals about cardiovascular genetic testing at the ...
May 6, 2011
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Researchers make a compelling, evidence-based case for expanding the diagnostic workup to include cardiac arrhythmias when a normally continent individual experiences enuresis nocturna (involuntary urination during sleep). ...
Apr 7, 2022
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Dozens of commonly used drugs, including antibiotics, antinausea and anticancer medications, have a potential side effect of lengthening the electrical event that triggers contraction, creating an irregular heartbeat, or ...
May 14, 2021
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When should patients and family members undergo genetic assessment for a heart condition? Find out in an international consensus document published in EP Europace, a journal of the European Society of Cardiology (ESC) and ...
Apr 4, 2022
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Sudden cardiac death is always a shocking, tragic event, especially when it occurs at a young age. But, for the first time, scientists are unraveling how genetic defects can help predict the risk of dying suddenly in individuals ...
May 10, 2011
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The long QT syndrome (LQTS) is a rare inborn heart condition in which delayed repolarization of the heart following a heartbeat increases the risk of episodes of torsade de pointes (TDP, a form of irregular heartbeat that originates from the ventricles). These episodes may lead to palpitations, fainting and sudden death due to ventricular fibrillation. Episodes may be provoked by various stimuli, depending on the subtype of the condition.
The condition is so named because of the appearances of the electrocardiogram (ECG/EKG), on which there is prolongation of the QT interval. In some individuals the QT prolongation occurs only after the administration of certain medications.
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