TY - JOUR AU - Willis, B. Cicero AU - Pandit, Sandeep V. AU - Ponce-Balbuena, Daniela AU - Zarzoso, Manuel AU - Guerrero-Serna, Guadalupe AU - Limbu, Bijay AU - Deo, Makarand AU - Camors, Emmanuel AU - Ramirez, Rafael J. AU - Mironov, Sergey AU - Herron, Todd J. AU - Valdivia, Hector H. AU - Jalife, Jose PY - 2016 DO - 10.1161/CIRCULATIONAHA.116.021936 SN - 0009-7322 UR - http://hdl.handle.net/20.500.12105/5219 AB - Background-In catecholaminergic polymorphic ventricular tachycardia (CPVT), cardiac Purkinje cells (PCs) appear more susceptible to Ca2+ dysfunction than ventricular myocytes (VMs). The underlying mechanisms remain unknown. Using a CPVT mouse... LA - eng PB - Lippincott Williams & Wilkins (LWW) KW - Arrhythmias, cardiac KW - Calcium KW - Calcium signaling KW - Sodium-calcium exchanger KW - BETA-ADRENERGIC STIMULATION KW - CARDIAC RYANODINE RECEPTOR KW - IN MOUSE MODEL KW - SUDDEN-DEATH KW - CELLULAR MECHANISM KW - CA2+ ACTIVATION KW - MURINE HEART KW - FIBERS KW - CONTRACTION KW - MYOCARDIUM TI - Constitutive Intracellular Na+ Excess in Purkinje Cells Promotes Arrhythmogenesis at Lower Levels of Stress Than Ventricular Myocytes From Mice With Catecholaminergic Polymorphic Ventricular Tachycardia TY - journal article ER -