ArticleA young man with an unusual cause of palpitationsAuthor:Anna M. McDivit, MDPublish date: December 1, 2015His heart rate is 260, with wide QRS complexes. Is his tachycardia ventricular or supraventricular?Read More
ArticleA middle-aged man with progressive fatigueAuthor:Anna M. McDivit, MDPublish date: October 1, 2009He has been taking good care of himself, but 1 year ago his ejection fraction was 60% and now it is 35%. He also has a new left bundle branch block...Read More