A 17-year-old girl had clinical and cardiac catheterization findings compatible with a secundum atrial septal defect. During cardiac catheterization, the atrial septal defect was sized and closed using a transvenous umbrella technique.
(JAMA 235:2506-2509, 1976)
King TD, Thompson SL, Steiner C, Mills NL. Secundum Atrial Septal Defect: Nonoperative Closure During Cardiac Catheterization. JAMA. 1976;235(23):2506–2509. doi:10.1001/jama.1976.03260490024013
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