TY - CHAP M1 - Book, Section TI - Intracardiac Shunts A1 - Lastinger, Lauren A2 - Baliga, R. R. A2 - Lilly, Scott M. A2 - Abraham, William T. Y1 - 2018 N1 - T2 - Color Atlas and Synopsis of Interventional Cardiology AB - A 28-year-old woman presents to her obstetrician-gynecologist (OB-GYN) for routine management of her first pregnancy. She was diagnosed with a heart murmur at age 2, but no further workup was done at that time. She reports occasional palpitations since childhood, especially when she is lying down or stressed. She has good exercise capacity and has always been able to keep up with her peers. After hearing a murmur on exam, her OB-GYN orders an echocardiogram, which shows an enlarged right atrium and right ventricle, mild tricuspid regurgitation, mildly elevated right ventricular systolic pressure, and a possible atrial septal defect (ASD). Cardiac magnetic resonance imaging is performed and confirms the presence of a secundum ASD. She undergoes right heart catheterization, which reveals the following hemodynamics: SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/29 UR - accesscardiology.mhmedical.com/content.aspx?aid=1160206095 ER -