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Fluoxetine is a commonly prescribed antidepressant compound. Its action is primarily attributed to selective inhibition of the reuptake of serotonin (5-hydroxytryptamine) in the central nervous system. Although this group of antidepressant drugs is generally believed to cause fewer proarrhythmic side effects compared with tricyclic antidepressants, serious… (More)
BACKGROUND Protein kinases A (PKA) and C (PKC) are activated in ischemic preconditioning and heart failure, conditions in which patients develop arrhythmias. The native inward rectifier potassium current (IK1) plays a central role in the stabilization of the resting membrane potential and the process of arrhythmogenesis. This study investigates the… (More)
Tamoxifen is a nonsteroidal antiestrogen that is commonly used in the treatment of breast cancer. Although antiestrogenic drugs are generally believed not to cause acquired long QT syndrome (LQTS), concerns have been raised by recent reports of QT interval prolongation associated with tamoxifen treatment. Since blockade of human ether-a-go-go-related gene… (More)
OBJECTIVE Patients with HERG-associated long QT syndrome typically develop tachyarrhythmias during physical or emotional stress. Previous studies have revealed that activation of the beta-adrenergic system and consecutive elevation of the intracellular cAMP concentration regulate HERG channels via protein kinase A-mediated phosphorylation of the channel… (More)
We report on two exercises in modeling, inference and learning with seven statistical re-lational learning systems and use this as a basis for a simple and preliminary comparison between these systems.
The aim of the study was to evaluate the prognostic impact of successful cardioversion (CV) compared to failed CV in patients with atrial fibrillation (AF) and organic heart disease. A total of 471 consecutive patients with organic heart disease from the prospective single center anticoagulation registry ANTIK who underwent CV of AF or atrial flutter were… (More)