Blood clots and emboli (blood clot fragments carried by the blood) are dangerous. Two major classes of drugs can be used to prevent them: antiplatelet drugs and anticoagulants.

Antiplatelet drugs such as acetylsalicylic acid or ASA (usually taken at low doses) prevents platelets (small blood cells) to aggregate and form clots in areas where it would interrupt normal blood flow, particularly around fat deposits in coronary arteries which are already weakened.

Anticoagulants such as heparin or warfarin inhibit come blood clotting factors and can prevent blood clots from taking shape or prevent the release of existing blood clots into the blood flow of a vital organ.

Thrombolytic drugs (or fibrinolytics) are a third class of drugs used against blood clots. They are usually administered in hospitals to break down existing clots, such as those that cause myocardial infarction in an obliterated coronary artery.

Examples of antiplatelet drugs: aspirin, ticlopidine, tirofiban.

Examples of anticoagulants: heparin, warfarin.

Examples of thrombolytic drugs: reteplase, tenecteplase

Cardiovascular drug groups:

Diuretics | Beta Blockers | Calcium Channel Blockers | ACE Inhibitors | Centrally Acting Adrenergic Drugs | Peripherally Acting Adrenergic Drugs | Nitrates | Hypolipidemic Agents | Cardiac Glycosides | Antithrombotics


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