... medical conditions may bedelayed. As the physician with the most (and often the only) contact with these patients, psychiatrists need to bevigilant in detecting early signs and symptoms of medicalillness ... (metabolic inhibitors or otherdrugs known to affect the QT interval), high doses ofantipsychotics, or symptoms possibly related to arrhyth-mias (syncope, palpitations, dizziness, etc.). The QTcinterval ... (NIH), the Stanley Medical Research Institute,Cyberonics, Eli Lilly and Company and Abbott Laborato-ries; acts as a consultant to Bristol-Myers Squibb,Cyberonics, Eli Lilly and Company, Forest...