Pacerone

Definition

Pacerone is a brand name for amiodarone, a Class III antiarrhythmic medication used to treat various types of cardiac dysrhythmias by blocking potassium channels. It helps to restore and maintain normal heart rhythm.

5 Must Know Facts For Your Next Test

1. Pacerone prolongs phase 3 of the cardiac action potential, which helps stabilize the heart's electrical activity.
2. Common side effects include pulmonary toxicity, thyroid dysfunction, and liver enzyme abnormalities.
3. Due to its long half-life, Pacerone can remain in the body for several weeks after discontinuation.
4. It is often used in cases of life-threatening ventricular arrhythmias when other treatments are ineffective or contraindicated.
5. Patients on Pacerone require regular monitoring of liver function, thyroid function, and lung condition.

Review Questions

• What class of antiarrhythmic drugs does Pacerone belong to?
• List three common side effects associated with Pacerone.
• Why is regular monitoring necessary for patients taking Pacerone?

Related terms

Antiarrhythmic Drugs: Medications used to treat irregular heart rhythms.

Potassium Channel Blockers: Drugs that inhibit potassium channels to prolong repolarization.

Ventricular Arrhythmias: Irregular heartbeats originating from the ventricles.