Cardiac resynchronization therapy

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Cardiac resynchronization therapy

CRT is a clinically proven treatment option for some individuals with heart failure. A CRT device sends small electrical impulses to both lower chambers of the heart to help them beat together in a more synchronized pattern. This may improve the heart’s ability to pump blood and oxygen to your body.

A CRT system is made up of two parts.
  • The heart device, which is actually a tiny computer, plus a battery, is contained in a small titanium metal case that is about the size of a pocket watch.
  • Insulated wires, called leads, that are implanted to carry information signals from your heart to the heart device and to carry electrical impulses to your heart.

After the device system is implanted, an external computer, called a programmer, located at your doctor’s office or clinic can be used to program the heart device and retrieve information from your heart device that will assist your doctor in your heart failure treatment. Your doctor will schedule periodic monitoring which may be done remotely if the physician deems it appropriate.

Types Of Crt Devices
  • a Cardiac Resynchronization Therapy Pacemaker (CRT-P) or
  • a Cardiac Resynchronization Therapy Defibrillator (CRT-D) may be indicated.