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The lecture examines the basics of pharmacology of various groups of cardiotonic drugs. == TIMESTAMPS == 0:00 Introduction 0:17 Cardiotonic agents: definition 0:44 Regulation of myocardial contraction 12:34 Classification of cardiotonic agents 17:19 Classification of cardiac glycosides 17:38 Chemical structure of cardiac glycosides 18:29 Effects of cardiac glycosides 19:56 Mechanism of action of cardiac glycosides 26:25 Uses of cardiac glycosides 29:40 Side effects of cardiac glycosides 31:50 Arrhythmogenic properties of cardiac glycosides 44:34 Electrolytes and cardiac glycosides 47:07 Cardiac glycoside intoxication 49:17 Beta-adrenergic agonists: mechanism of action 50:30 Dobutamine 58:28 Dopamine 01:02:32 Milrinone 01:07:39 Levosimendan