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Published on: September 13, 2020
Unusual cause of absent pulse in one arm: Isolated subclavian artery
Sushil Azad1, Munesh Tomar2, Anil Bhan2
1Department of Pediatric Cardiology and Congenital Heart Disease, Medanta-The Medicity, Gurgaon, Haryana, India sushilazad@yahoo.com.
Abstract:
Isolated origin of the subclavian artery is a congenital anomaly of the aortic arch in which one subclavian artery originates from the homolateral pulmonary artery through the ductus arteriosus. Isolated right subclavian artery with left-sided aortic arch is extremely rare. We report a case of isolated right subclavian artery from the right pulmonary artery via a right-sided ductus arteriosus in a 4-year-old girl. The child presented with subclavian pulmonary steal with perfusion of the right arm and lung from the right vertebral and carotid arteries. She underwent successful surgical repair.
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