TY - CHAP M1 - Book, Section TI - Ventricular Septal Defect A1 - Bashore, Thomas M. A1 - Granger, Christopher B. A1 - Jackson, Kevin P. A1 - Patel, Manesh R. A2 - Papadakis, Maxine A. A2 - McPhee, Stephen J. A2 - Rabow, Michael W. A2 - McQuaid, Kenneth R. Y1 - 2022 N1 - T2 - Current Medical Diagnosis & Treatment 2022 AB - ESSENTIALS OF DIAGNOSISA restrictive VSD is small and makes a louder murmur than an unrestricted one, often with an accompanying thrill. The higher the gradient across the septum, the smaller the left-to-right shunt.Small defects may be asymptomatic.Larger defects result in pulmonary hypertension (Eisenmenger physiology) if not repaired or if the pulmonary circuit is not protected by RV outflow tract obstruction.Echocardiography/Doppler is diagnostic. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/29 UR - accessmedicine.mhmedical.com/content.aspx?aid=1184695075 ER -