Biventricular pacemaker

Biventricular Pacemaker is a medical device used in the treatment of heart failure, specifically in conditions where the electrical signals within the heart are not properly coordinated, a condition known as cardiac dyssynchrony. The device works by sending timed electrical impulses to both the left and right ventricles of the heart, allowing them to pump in a more synchronized manner. This can improve the overall efficiency of the heart and alleviate symptoms of heart failure.

Indications

Biventricular pacemakers, also known as cardiac resynchronization therapy (CRT) devices, are typically indicated for patients with moderate to severe heart failure who have not responded to standard pharmacological treatment. They are also indicated for patients with a specific type of heart rhythm disorder known as left bundle branch block.

Procedure

The procedure to implant a biventricular pacemaker is similar to that of a standard pacemaker. The device is typically implanted under the skin in the chest area. Leads, or wires, are guided through veins into the heart. In a biventricular pacemaker, one lead is placed in the right atrium, one in the right ventricle, and one in the coronary sinus vein to pace the left ventricle. The leads are then connected to the pacemaker device, which is programmed to deliver the appropriate electrical signals to the heart.

Benefits and Risks

The main benefit of a biventricular pacemaker is that it can significantly improve the symptoms of heart failure, including fatigue, shortness of breath, and exercise intolerance. It can also reduce hospitalizations and improve overall quality of life. However, as with any medical procedure, there are potential risks. These can include infection, bleeding, damage to the heart or blood vessels, and complications related to the device itself, such as malfunction or displacement of the leads.

See Also

• Pacemaker
• Heart Failure
• Cardiac Resynchronization Therapy
• Cardiac Dyssynchrony