نتایج جستجو برای: ranolazine
تعداد نتایج: 610 فیلتر نتایج به سال:
BACKGROUND Congenital long QT syndrome type 2 (abnormal hERG potassium channel) patients can develop flat, asymmetric, and notched T waves. Similar observations have been made with a limited number of hERG-blocking drugs. However, it is not known how additional calcium or late sodium block, that can decrease torsade risk, affects T wave morphology. METHODS AND RESULTS Twenty-two healthy subje...
BACKGROUND In addition to extrasystoles of pulmonary vein (PV) origin, those arising from the superior vena cava (SVC) can precipitate atrial fibrillation (AF). The present study evaluates the electrophysiological properties of canine SVC sleeve preparations and the effect of ranolazine on late phase 3 early and delayed afterdepolarization (EAD and DAD)-induced triggered activity in SVC sleeves...
OBJECTIVES The purpose of this study was to test the hypothesis that the late Na current blocker ranolazine suppresses re-entrant and multifocal ventricular fibrillation (VF). BACKGROUND VF can be caused by either re-entrant or focal mechanism. METHODS Simultaneous voltage and intracellular Ca(+)² optical mapping of the left ventricular epicardial surface along with microelectrode recording...
BACKGROUND Human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) are in vitro models with the clear advantages of their human origin and suitability for human disease investigations. However, limitations include their incomplete characterization and variability reported in different cell lines and laboratories. OBJECTIVE The purpose of this study was to investigate in silico ...
Ranolazine being Na+ channel blocker agent, decreases the chances of angina attacks. Metoprolol exerts specific β1 blocking effect which results into decreased cardiac contractility and heart Rate (1). Ultimately reduces oxygen demand heart. enhances pharmacological activity so combination gives better therapeutic (2).
 There is no UV visible method present for simultaneous estimation Meto...
Coronary artery disease and heart failure carry concurrent risk for atrial fibrillation and life-threatening ventricular arrhythmias. We review evidence indicating that at therapeutic concentrations, ranolazine has potential for dual suppression of these arrhythmias. Mechanisms and clinical implications are discussed.
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