title: Strength-duration curves for cardiac pacemaking and ventricular fibrillation.
mesh_terms: D000818:Animals; D004285:Dogs; D004562:Electrocardiography; D006339:Heart Rate; D009200:Myocardial Contraction; D010138:Pacemaker, Artificial / Q000009:adverse effects*; D013997:Time Factors; D014693:Ventricular Fibrillation / Q000209:etiology*