PROPHYLACTIC LIGNOCAINE AND EARLY POST‐CORONARY ARTERY OCCLUSION DYSRHYTHMIAS IN ANAESTHETIZED GREYHOUNDS

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Abstract
1 Lignocaine (1 mg kg−1 min−1 infused intravenously for 30 min) greatly reduced the incidence of ventricular ectopic beats that resulted from acute coronary artery ligation in anaesthetized greyhound dogs. However, the incidence of ventricular fibrillation was only slightly reduced by this treatment which caused significant myocardial depression. 2 There is no good evidence from this study that lignocaine is a particularly effective prophylactic in acute myocardial infarction.