Vladimir Tilman
Abstract
Atrial fibrillation (AF) is the most common cardiac arrhythmia. Many studies have investigated the cause for the development of AF in the left ventricle dysfunction. Recently the hypothesis was proposed that atrial fibrillation is a protective physiological mechanism, based on the termination of atrial mechanical systole. This reduces the enddiastolic pressure in the left ventricle by excluding the component of systolic left atrial pressure from the total enddiastolic pressure and, respectively, in the system of the pulmonary veins and alveolar capillaries in situation of the left ventricle dysfunction, and thus reduces the likelihood for development of pulmonary congestion. First of all this hypothesis explains relationship between left ventricle dysfunction and AF. The hypothesis helps to build algorithms of the development AF in the cases of the left ventricle dysfunction in the various diseases and conditions.
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