CHICAGO, April 3 -- An implantable ECG loop recorder, used to identify the cause of syncope, may help stratify risk in patients who have diminished left ventricular function following myocardial infarction, researchers reported here. The investigators set out to determine if it would be possible to reduce sudden cardiac death by identifying risk of tachyarrhythmia in patients who had mild to moderate structural damage following a heart attack but did not meet criteria for an implantable cardioverter defibrillator, said Poul Erik Bloch Thomsen, M.D., Ph.D., of the University of Copenhagen in Denmark.
