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All About
Biventricular Pacing
Symptoms
- Shortness of breath (dyspnea) when you exert yourself or when you lie down.
- Fatigue and weakness.
- Swelling (edema) in your legs, ankles and feet.
- Rapid or irregular heartbeat.
- Reduced ability to exercise.
- Persistent cough or wheezing with white or pink blood-tinged phlegm.
Causes
- cardiomyopathy, a disorder of the heart muscle that causes the heart to become weak.
- a congenital heart defect.
- a heart attack.
- heart valve disease.
- certain types of arrhythmias, or irregular heart rhythms.
- high blood pressure.
- emphysema, a disease of the lung.
- diabetes.
More about Treatment
In the normal heart, the lower chambers (ventricles) pump at the same time and in sync with the heart's upper chambers (atria).
When a person has heart failure, often the right and left ventricles do not pump together. And when the heart's contractions become out of sync, the left ventricle is not able to pump enough blood to the body.
This eventually leads to an increase in heart failure symptoms, such as shortness of breath, dry cough, swelling in the ankles or legs, weight gain, increased urination, fatigue, or rapid or irregular heartbeat.
FAQ on this Treatment
Why is this treatment done?
Pacemaker initiates cardiac impulse. Biventricular pacemaker is a metallic device implanted to pace heart when electrical impulses can not initiate contraction of heart muscles. It gives lead or wire to both the ventricles this called as biventricular pacemaker.
What is the mechanism of the heart?
Systole is contraction whereas diastole is relaxation of heart. Right and left atria collect blood during diastole from body and lungs respectively and pumps into ventricles during systole. Both ventricles contract simultaneously and supply blood to the body and lungs.
When is biventricular pacemaker needed?
Both ventricles contract simultaneously due to impulse transmitted from pacemakers like SA node, AV node, Purkinje Fibers and bundle of His. When ventricles fail to contract simultaneously or can not contract biventricular pacemaker is needed otherwise it can result in conditions like CCF so that it will stimulate ventricles and blood supply is not compromised.
What are indications of Biventricular Pacemaker?
Indications for biventricular pacemaker include:
-Cardiac Arrhythmias when heart can contract at regular interval or contracts too fast or too slow
-Right Bundle Branch Block or Left bundle Branch Block
-Malfunctioning of the pacemaker of the heart.
-Left ventricular ejection fraction less than 35%
-Heart Failure
-As a part of another cardiac surgery.
What is the procedure of Biventricular Pacemaker implantation?
It is done under General Anesthesia. Incision is taken in the chest generally above the heart, leads are inserted from the subclavian vein into Right Atrium.From Right Atrium it is passed into Right ventricle directly and into Left Ventricle via Coronary Sinus. The leads are connected to a generator or battery and Generally 2-3 leads are required.
How much is the life of this device?
Pacemaker on an average lasts for 7-8 years but Biventricular pacemaker lasts for only 2-4 years. Also life expectancy depends on it's usage and cardiac dependency. Battery is programmed in a such way that it signals it's status way before it goes off.