GW26-e1236 Early intravenous low/high doses of Metoprolol in myocardial infarction dogs on the effects of cardiac sympathetic activity and electrophysiological properties

Observed effects of early intravenous low/high doses of Metoprolol in myocardial infarction dogs on cardiac sympathetic activity and electrophysiological properties.32 mongrel dogs were randomly divided into three groups, low-dose group(n=12), high-dose group(n=12) and control group (n=8). Three