Key result
RyR mutations lower SR calcium threshold to trigger calcium waves and arrhythmias during beta-adrenergic stimulation.
Design
Review
Authors
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Supports arrhythmia risk caution during sympathetic stress in RyR-related CPVT; extends calcium-handling models for future targeted research.
Provides a physiological overview of cardiac calcium handling and explains the mechanism of arrhythmias in catecholaminergic polymorphic ventricular tachycardia.
David Eisner (2014) conducted a review in Catecholaminergic polymorphic ventricular tachycardia. RyR mutations reduce the threshold for sarcoplasmic reticulum calcium content, leading to intracellular calcium waves and arrhythmias during beta-adrenergic stimulation.
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