نتایج جستجو برای: qtc interval
تعداد نتایج: 199809 فیلتر نتایج به سال:
dose-dependent effects of methadone on qt interval in patients under methadone maintenance treatment
background: the role of methadone in qtc prolongation, torsades de pointes (tdp) arrhythmia and sudden cardiac death has been debated. because of widespread use of methadone in methadone maintenance treatment (mmt) centers, we aimed to study dose-related effects of methadone on qtc prolongation. methods: in a comparative observational study, 90 patients who were under mmt were evaluated. patien...
BACKGROUND Prolongation of the QT interval is considered a risk factor for cardiac adverse events and mortality. Left bundle branch block (LBBB) lengthens the QT interval. The corrected QT interval (QTc) is most likely overestimated because its prolongation is caused by increases in depolarization duration and not in repolarization. OBJECTIVES In this study, we aimed to apply corrected JT int...
Ketoconazole is listed among drugs that prolong QT interval and may increase the risk of torsade de pointes, a severe ventricular arrhythmia. This compound has recently been approved for treatment of Cushing's syndrome, a severe endocrine disorder. These patients harbour several risk factors for prolonged QT interval, for example hypokalaemia and left ventricular hypertrophy, but no study has e...
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