?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Concealed+Malfunction+of+The+Temporary+Pacemaker&rft.creator=Alasti%2C+Mohammad&rft.creator=Haghjoo%2C+Majid&rft.creator=Alizadeh%2C+Abolfath&rft.creator=Sadr-Ameli%2C+Mohammad+Ali&rft.subject=Indian+Pacing+and+Electrophysiology+Journal&rft.description=The+12-lead+ECG+shows+sequential+atrial+and+ventricular+pacing+(Figure+1A).+A+tracing%2C+obtained+simultaneously+during+pacemaker+interrogation%2C+disclosed+pacemaker+functioning+as+VDD+mode+(Figure+1B).+The+careful+examination+of+this+pacemaker+tracing+showed+that+there+is+a+pacing+stimulus+before+each+P+wave+(compatible+with+DDD+mode).+This+paradox+can+only+be+explained+by+displacement+of+the+temporary+pacing+lead+to+right+atrium+and+right+atrial+stimulation+by+temporary+pacemaker.+In+this+setting%2C+each+temporary+pacemaker-induced+atrial+depolarization+is+tracked+by+the+right+atrial+lead+of+the+permanent+pacemaker+as+intrinsic+P+wave.+Fluoroscopic+study+confirmed+this+explanation+(Figure+2).+The+displaced+temporary+pacing+lead+was+seen+near+the+lateral+right+atrial+wall.+Temporary+pacemaker+lead+had+been+inserted+before+replacement+of+permanent+pacemaker.+&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.contributor=Ghosh%2C+Joydeep&rft.date=2006-04&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F4807%2F1%2Falasti.htm&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F4807%2F2%2Falasti.pdf&rft.identifier=++Alasti%2C+Mohammad+and+Haghjoo%2C+Majid+and+Alizadeh%2C+Abolfath+and+Sadr-Ameli%2C+Mohammad+Ali++(2006)+Concealed+Malfunction+of+The+Temporary+Pacemaker.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F4807%2F