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Tag: Lidocaine iv

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What does lidocaine IV do to the heart?

4 min read
Lidocaine is a Class Ib antiarrhythmic agent that has been used for decades to treat certain cardiac conditions, particularly ventricular arrhythmias. When administered intravenously, **what does lidocaine IV do to the heart** is block sodium channels, stabilizing heart muscle and suppressing abnormal electrical activity. This action is especially effective in treating life-threatening rhythms that occur in ischemic or injured heart tissue.