Abstract
Patent ductus arteriosus is a common congenital heart anomaly in the newborn and children. It is often diagnosed and treated in childhood; however, there are a subset of patients who survive to adulthood undiagnosed, and it is present in adulthood with various clinical presentations. The clinical presentation, hemodynamics, and management of PDA presentation in adults depend on various factors, primarily the size of PDA, magnitude of shunting, and status of pulmonary vasculature. Echocardiography is often the primary imaging modality in the evaluation of adult patients with PDA and is an important tool that provides diagnostic and hemodynamic assessment for the initial evaluation and routine follow-up after PDA closure. In this review, we present a simplified approach of basic echocardiographic assessment of various types of PDA presentations in adults.
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