William H. Frishman

Left Atrial Strain Impairment in Embolic Stroke of Undetermined Source: A Systematic Review and Meta-Analysis

Embolic stroke of undetermined source (ESUS) accounts for approximately one-third of all ischemic strokes. Atrial cardiomyopathy, independent of paroxysmal atrial fibrillation, is an increasingly recognized embolic substrate. Left atrial (LA) strain assessed by speckle-tracking e...

Management of Patent Ductus Arteriosus in the Adult Population

Patent ductus arteriosus (PDA) is defined as a persistent communication between the pulmonary artery and the aorta that normally closes before birth. While the ductus arteriosus is an essential vascular shunt for a developing fetus, its failure to close can become pathologic. Mos...