When a heart’s ability to pump is impaired, it is sometimes necessary to implant a special type of pacemaker that can stimulate both the right and left ventricles simultaneously. This helps to counteract a condition, called dyssynchrony, where the heart chambers contract unevenly. This type of pacemaker is called a Cardiac Resynchronization Therapy (CRT) Pacemaker.
A CRT pacemaker is sometimes chosen as an alternative to a regular pacemaker if the heart rate is too slow and, at the same time, the left heart chamber contraction is reduced. It can also be selected specifically to improve a patient’s pump function, without the need for a traditional pacemaker. It can also be used to give the heart a shock to correct potentially lethal heart rhythm disturbances.
- Implantable Cardiac Defibrillator (ICD)
- Leads to the left ventricle
- Leads to the right atrium
- Leads to the right ventricle
It is a safe procedure with only low risks of complications. Like ordinary pacemakers, a CRT pacemaker can be programmed and adjusted using special computers and leadless communication through the skin. Often, they are controlled remotely through a leadless device with web based contact to the implanting cardiology center.
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