| 11. | Changes in the ventricular repolarization in Chagas disease are likely due to myocardial ischemia.
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| 12. | Class 1b drugs lengthen phase 3 repolarization.
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| 13. | Each Cl " ions also diffuse into the sarcoplasm to aid the repolarization phase.
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| 14. | This delayed repolarization may promote reentrant arrhythmias.
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| 15. | Repolarization of the ventricle happens in the opposite direction of depolarization and is negative current.
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| 16. | Repolarization depends on a selective potassium current.
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| 17. | It also appears to slow the rates of depolarization and repolarization of muscle cell membranes.
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| 18. | This property helps eliminate repolarization dispersion, a proarrhythmial effect noted in class III agents.
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| 19. | Absolute refractory period corresponds to depolarization and repolarization, whereas relative refractory period corresponds to hyperpolarization.
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| 20. | Repolarization typically results from the movement of positively charged K + ions out of the cell.
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