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Cardiac resynchronization therapy stimulates both of the heart’s lower chambers (and often one upper chamber) so they are “synchronized” and more efficient in pumping blood to the body.
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More doctors are prescribing electrical stimulation therapy earlier in the process of treating heart failure. There are two types of CRT devices:
Learn more about this device, also called a CRT-P.
Find out about this therapy, also called a CRT-D.
The stimulation takes place with a pulse generator (the pacemaker or ICD) and pacing leads (thin wires) that are placed next to the heart’s tissue to deliver specially timed pacing pulses to the heart.