High-Alert Medications
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This set covers five high-alert medications — the drugs most likely to cause serious harm when something goes wrong, which is why they come with double-checks, dedicated labs, and antidotes.
All five are NCLEX staples: insulin and its hypoglycemia risk, heparin and warfarin with their separate monitoring labs and reversal agents, digoxin’s narrow therapeutic window, and acetaminophen’s quiet threat to the liver. For each one, know the lab to watch, the early signs of toxicity, and the antidote.
Terms in this set
- Insulin A hormone given to lower blood glucose in diabetes mellitus.
- Heparin An anticoagulant that potentiates antithrombin to prevent clot formation.
- Warfarin An oral anticoagulant that inhibits vitamin K-dependent clotting factors; used to prevent thromboembolic events.
- Digoxin A cardiac glycoside that slows and strengthens the heartbeat; used in heart failure and atrial fibrillation.
- Acetaminophen A non-opioid analgesic and antipyretic.