Fragmented left sided QRS in absence of bundle branch block: sign of left ventricular aneurysm.

Background: A left ventricular aneurysm (LVA) occurs between 3.5% and 9.4% of all cases of acute myocardial infarction.

New-onset congestive heart failure secondary to a "huge" right atrial mass--a case report.

Transesophageal echocardiography is a useful adjunct to other diagnostic modalities in uncovering the etiology of congestive heart failure. The authors describe the case of a 75-year-old woman with a 4-week history of progressive congestive heart failure, in whom transesophageal echocardiography played a critical role in the diagnosis of a right atrial mass, accounting for this patient's constellation of symptoms.

Cardioversion of atrial fibrillation with ibutilide: when is it most effective?

Background: Atrial fibrillation (AF) is found in 1% of persons above the age of 60 years. More than 5% of the population older than 69 years and about 14% of octogenarians are at risk for this arrhythmia. It is estimated that 1.