Two-factor authentication (also known as 2FA) is a method of confirming a user's claimed identity by utilizing a combination of two different components. Two-factor authentication is a type of multi-factor authentication.
Clot buster drugs, or thrombolytic therapy, are a type of heart medication given in the hospital through the veins (intravenous) to break up blood clots.
Aside from living a healthy lifestyle from the get-go, one of the best ways to prevent these catastrophes is to use drugs that inhibit clotting. Aspirin and clopidogrel (and others now) inhibit platelets from sticking together. We call them antiplatelet drugs. Warfarin, dabigatran (Pradaxa), rivaroxaban (Xarelto) and apixaban (Eliquis) block parts of the coagulation cascade and we call them anticoagulants.