This brief video gives the concept of pharmacology of anticoagulants, types of thrombi, functions of anticoagulants, and some drugs with their mode of actions. TIMELINE: 0:00 Introduction 0:11 What are anticoagulants? 0:30 Types of thrombi 0:39 White thrombi 1:03 Red thrombi 1:22 functions of anticoagulants 1:43 Heparin and low molecular weight Heparin 2:39 Mode of action 4:29 Warfarin 5:28 Mechanism of action of warfarin 5:37 Direct thrombin inhibitors and related drugs