title: Overdrive excitation: onset of activity following fast drive in cardiac Purkinje fibers exposed to norepinephrine.
mesh_terms: D000200:Action Potentials; D000818:Animals; D004558:Electric Stimulation; D004594:Electrophysiology; D006329:Heart Conduction System / Q000166:cytology / Q000187:drug effects / Q000502:physiology*; D066298:In Vitro Techniques; D008564:Membrane Potentials; D009638:Norepinephrine / Q000494:pharmacology*; D012756:Sheep
chemical_list: D009638:Norepinephrine