ASYMPTOMATIC GIANT CONGENITAL LEFT ATRIAL ANEURYSM

Asymptomatic giant congenital left atrial aneurysm

Congenital aneurysm of the left atrial appendage can be caused by congenital dysplasia of the pectinate muscles and may be accompanied by a congenital absence Plant Cages of the pericardium.Symptoms generally manifest after two decades and the most common symptom is atrial arrhythmia in the form of atrial fibrillation / flutter.A four year-old pati

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Competition and Productivity Evolutions in Industry Sector

The importance of productivity has made it to be one of the most serious discussions in industrial organizing.In economic literature, however, there are Audio Receiver some arguments on the role of market structure in productivity changes.While some theorists point out that more competition leads to higher productivity, others believe that monopoly

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