?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=New+Concepts+in+Pacemaker+Syndrome%0A&rft.creator=Farmer%2C+Michael+D&rft.creator=Estes%2C+Mark+NA+III&rft.creator=Link%2C+Mark+S&rft.subject=Indian+Pacing+and+Electrophysiology+Journal&rft.description=After+implantation+of+a+permanent+pacemaker%2C+patients+may+experience+severe+symptoms+of+dyspnea%2C+palpitations%2C+malaise%2C+and+syncope+resulting+from+pacemaker+syndrome.++Although+pacemaker+syndrome+is+most+often+ascribed+to+the+loss+of+atrioventricular+(A-V)+synchrony%2C+more+recent+data+may+also+implicate+left+ventricular+dysynchrony+caused+by+right+ventricular+pacing.++Previous+studies+have+not+shown+reductions+in+mortality+or+stroke+with+rate-modulated+dual-chamber+(DDDR)+pacing+as+compared+to+ventricular-based+(VVI)+pacing.+The+benefits+in+A-V+sequential+pacing+with+the+DDDR+mode+are+likely+mitigated+by+the+interventricular+(V-V)+dysynchrony+imposed+by+the+high+percentage+of+ventricular+pacing+commonly+seen+in+the+DDDR+mode.++Programming+DDDR+pacemakers+to+encourage+intrinsic+A-V+conduction+and+reduce+right+ventricular+pacing+will+likely+decrease+heart+failure+and+pacemaker+syndrome.++Studies+are+currently+ongoing+to+address+these+questions.%0A&rft.publisher=Indian+Pacing+and+Electrophysiology+Group&rft.contributor=Singh%2C+Balbir&rft.contributor=Lokhandwala%2C+Yash&rft.contributor=Francis%2C+Johnson&rft.contributor=Gupta%2C+Anup&rft.date=2004-10&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F4184%2F1%2Flink.pdf&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F4184%2F2%2Flink.htm&rft.identifier=++Farmer%2C+Michael+D+and+Estes%2C+Mark+NA+III+and+Link%2C+Mark+S++(2004)+New+Concepts+in+Pacemaker+Syndrome.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F4184%2F