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  1. How cardiac resynchronization devices work - Boston Scientific

    While functioning like a normal pacemaker to treat slow heart rhythms, a CRT-D device also delivers small electrical impulses to the left and right ventricles to help them contract at the same time. This …

  2. Cardiac Resynchronization Therapy (CRT) - American Heart Association

    Jun 17, 2025 · CRT, or biventricular pacing, helps improve your heart rhythm and symptoms of arrhythmia. The procedure involves placing a small pacemaker under the skin below your collarbone. …

  3. Cardiac Resynchronization Therapy (CRT) Devices - Medtronic

    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 …

  4. Cardiac resynchronization therapy - Type - Mayo Clinic

    Jun 4, 2025 · It helps the heart fill with blood properly. Cardiac resynchronization therapy with a defibrillator (CRT-D). This combination device uses a pacemaker and an implantable cardioverter …

  5. Cardiac Resynchronization Therapy for Heart Failure | Abbott

    CRT-D Indications: The Cardiac Resynchronization Therapy (CRT) devices are indicated for reduction of symptoms in patients who have congestive heart failure, a reduced left ventricular ejection fraction …

  6. CRT-Ds sense dangerous rhythms and treat them right away. It does this by using pacing or an electrical shock to stop a dangerous heart rhythm and change it to a normal heart rhythm.

  7. Cardiac Resynchronization Therapy (CRT) - Cleveland Clinic

    Cardiac resynchronization therapy (CRT or biventricular pacing) is a procedure to implant a special type of pacemaker. This helps most people who have this procedure get both of their heart ventricles to …

  8. CRT-D Implant (Cardiac Resynchronization Therapy)

    CRT-D is used for heart failure or patients at risk of sudden cardiac death. It functions like a pacemaker by transmitting electrical currents to both ventricles to aid synchronized contraction. If it detects …

  9. Getting a CRT Device - Heart Failure | Medtronic

    The procedure to implant a cardiac resynchronization therapy (CRT) heart device does not require open heart surgery. The procedure is performed under local anesthesia.

  10. When the time comes for the battery (generator) to be replaced, you will need to come into hospital for a small operation for a new CRT-D generator to be fitted.