Cardioversion

Definition

Cardioversion is a medical procedure used to restore a normal heart rhythm in patients with certain types of abnormal heartbeats (dysrhythmias). It can be performed using either electric shocks or medication.

5 Must Know Facts For Your Next Test

1. Cardioversion is often indicated for atrial fibrillation or atrial flutter.
2. Electric cardioversion involves delivering a synchronized shock to the heart through electrodes placed on the chest.
3. Pharmacological cardioversion uses antiarrhythmic drugs like amiodarone or flecainide.
4. Patients are usually under sedation during electric cardioversion to ensure comfort and safety.
5. Monitoring of the patient’s heart rhythm and vital signs is crucial before, during, and after the procedure.

Review Questions

• What are two main methods used in cardioversion?
• Which types of dysrhythmias commonly require cardioversion?
• Why is sedation important during electric cardioversion?

Related terms

Dysrhythmia:

An abnormality in the rate or rhythm of the heartbeat.

Antiarrhythmic Drugs:

Medications used to treat irregular heart rhythms.

Atrial Fibrillation:

A common type of arrhythmia characterized by rapid and irregular beating of the atrial chambers of the heart.