A charge nurse is teaching a group of nurses about the antagonist action of reversal medications. For each medication listed below, click to specify the expected reversal agent.

Warfarin: Vitamin K is the primary reversal agent for anticoagulation with warfarin. It helps restore normal clotting factor production in the liver. Heparin: Protamine sulfate is the specific reversal agent for heparin, neutralizing its anticoagulant effects. Rivaroxaban: Andexanet alfa is a specific reversal agent for rivaroxaban and other Factor Xa inhibitors, reversing their anticoagulant effects. Beta Blockers: While there is no specific reversal agent, glucagon can help increase heart rate and myocardial contractility in cases of beta-blocker overdose.