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Showing posts with the label Platelets

Lecture Notes on Antiplatelet agents

Overview of the Topics Anticoagulant Drugs (Click Here) Thrombolytic Drugs (Click Here) Antiplatelet Drugs (Click Here) Multiple Choice Practice Questions (Click Here) Antiplatelet drugs - Platelet aggregation occurs in response to vascular injury - The aggregation of platelets  in the coronary artery can lead to the development of atherosclerotic plaque - It may precipitate coronary vasospasm, myocardial infarction, and stroke Clinical Indication - Prophylaxis of arterial thrombosis - Therapeutic management of myocardial infarction and stroke - Should be infused within 2 hours of myocardial infarction or stroke for significant benefit Clinically Important Antiplatelet Agents - Thromboxane A2 pathway, ADP pathway & GPIIb/IIIa receptors are the therapeutic targets to prevent platelet activation and aggregation. The drugs include - Aspirin - Clopidogrel - Abciximab Aspirin - Aspirin inhibits platelet aggregation and prolongs bleeding time  - Aspirin irreversib...