?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Brugada-like+Precordial+ST+Elevation+on+ECG+by+Anterior+Mediastinal+Infective+Mass+Lesion&rft.creator=Nakazato%2C+Yuji&rft.creator=Ohmura%2C+Takayasu&rft.creator=Shimada%2C+Issei&rft.creator=Daida%2C+Hiroyuki&rft.subject=Indian+Pacing+and+Electrophysiology+Journal&rft.description=Several+causes+are+known+to+induce+the+right+precordial+ST+elevation+mimicking+Brugada+syndrome.+Right+ventricular+outflow+area+is+assumed+to+be+responsible+for+such+ECG+changes.+We+experienced+a+case+of+anterior+mediastinal+infective+mass+lesion+with+a+Brugada-like+ECG.+%0A++++++++++++A+52-year-old+female%2C+who+has+pulmonary+stenosis+and+recurrent+episodes+of+right+ventricular+heart+failure%2C+complained+of+high+fever%2C+abdominal+discomfort%2C+and+edema.+On+physical+examination%2C+jugular+vein+dilation%2C+hepatomegaly%2C+and+facial+and+leg+edema+were+noted.+Leucocytosis+was+also+noted+on+blood+examination.+An+ECG+showed+right+ventricular+hypertrophy%2C+incomplete+right+bundle+branch+block+pattern+and+marked+ST+elevation+on+precordial+leads+mimicking+Brugada+syndrome.+Magnetic+resonance+imaging+revealed+an+abnormal+mass+shadow+located+on+the+anterior+mediastinum+and+compressing+the+right+ventricle+(Figure+1A).+Trans-thoracic+echocardiography+also+showed+the+high+echogenic+mass+lesion+at+the+anterior+side+of+right+ventricle+and+the+vicinity+of+pulmonary+valve.++After+treatment+with+antibiotics%2C+the+mass+lesion+gradually+shrunk.+Concomitantly%2C+the+ST+elevation+disappeared+with+improvement+of+inflammatory+markers+(Figure+1B).+The+symptoms+suggesting+right+ventricular+failure+were+also+ameliorated.+The+mechanism+of+Brugada-like+ST+elevation+in+this+patient+was+considered+to+be+compression%2C+by+the+abnormal+infective+mass%2C+of+the+right+ventricular+outflow+tract+with%2Fwithout+focal+pericardial+inflammation.&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=2003-07&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F4282%2F1%2Fnakazato2.htm&rft.identifier=++Nakazato%2C+Yuji+and+Ohmura%2C+Takayasu+and+Shimada%2C+Issei+and+Daida%2C+Hiroyuki++(2003)+Brugada-like+Precordial+ST+Elevation+on+ECG+by+Anterior+Mediastinal+Infective+Mass+Lesion.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F4282%2F