Twice a month, Internal Medicine Alert, Stephen A. Brunton, MD, Editor, brings you 6-8 abstracts of developments in internal medicine accompanied by expert commentary. ECG reviews give quick, practical lessons in ECG interpretation. Pharmacology updates provide unbiased expert advice on the latest approved drugs. Clinical Briefs summarize recent, noteworthy studies in digest form. The objectives of Internal Medicine Alert are to describe: new findings in differential diagnosis and treatment of various diseases; controversies, advantages, and disadvantages of those advances; cost-effective treatment regimens; the pros and cons of new screening procedures.