Aspirin is a reversible inhibitor of cyclo-oxygenase type 1 (COX-1). 1. Aspirin inhibits platelet aggregation at doses below those needed for an anti-inflammatory effect. 2. Fibrinolytic infusions of...

Aspirin is a reversible inhibitor of cyclo-oxygenase type 1 (COX-1).

1. Aspirin inhibits platelet aggregation at doses below those needed for an anti-inflammatory effect.

2. Fibrinolytic infusions of recombinant tissue-type plasminogen activator (rt-PA; alteplase) for myocardial infarction are usually given over the course of 1 hour, whereas streptokinase is given for 3–24 hours.