← Chapter 9
Pharmacology · Chapter 9
Antiplatelets & Thrombolytics
An arterial clot is built in four steps — and every drug in this section interrupts
exactly one of them
. Step through the artery, then tap a drug to see where it cuts in, and what that means at the bedside.
A coronary artery
platelet
red cell
exposed collagen
fibrin
drug block
Building a clot
step through it, then add a drug
Platelet plug
—
Fibrin mesh
—
Blood flow
—
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↺ Clear drug — watch the clot form untreated
Antiplatelets — stop a clot from being built
Thrombolytics — destroy a clot already built