Cardiac resynchronization therapy.
D001145:Arrhythmias, Cardiac / Q000628:therapy*; D002309:Cardiology / Q000193:education*; D003406:Credentialing; D004502:Education, Medical, Continuing; D004554:Electric Countershock / Q000295:instrumentation / Q000379:methods; D004567:Electrodes, Implanted; D004594:Electrophysiology / Q000193:education*; D006352:Heart Ventricles; D006801:Humans; D008504:Medical Staff Privileges