Xylocaine
from class: Pharmacology for Nurses Definition Xylocaine, also known as lidocaine, is a local anesthetic and antiarrhythmic drug that works by blocking sodium channels. It is commonly used to treat ventricular arrhythmias during acute myocardial infarction.
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Predict what's on your test 5 Must Know Facts For Your Next Test Xylocaine stabilizes the neuronal membrane by inhibiting sodium influx, which inhibits depolarization. It is classified as a Class IB antiarrhythmic drug in the Vaughan-Williams classification. Xylocaine has a rapid onset of action and a short duration of action, making it suitable for emergency situations. The drug can be administered intravenously or via infusion for acute arrhythmias. Common side effects include dizziness, drowsiness, and hypotension. Review Questions What class of antiarrhythmic drugs does Xylocaine belong to? How does Xylocaine affect sodium channels in the cardiac cells? What are some common side effects associated with Xylocaine?
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