title: Use of peak Doppler gradient across ventricular septal defect leads to underestimation of right-sided pressures in a patient with M-shaped Doppler signal: a case report.
authors.affiliation: Department of Pediatrics, James Whitcomb Riley Hospital for Children, Indianapolis, IN 46202, USA.
authors.forename: Christopher L
authors.initials: CL
authors.lastname: Lindblade
authors.forename: Marcus S
authors.initials: MS
authors.lastname: Schamberger
authors.forename: Robert K
authors.initials: RK
authors.lastname: Darragh
authors.forename: Timothy M
authors.initials: TM
authors.lastname: Cordes
mesh_terms: D002675:Child, Preschool; D015150:Echocardiography, Doppler; D004562:Electrocardiography; D005260:Female; D006345:Heart Septal Defects, Ventricular / Q000000981:diagnostic imaging* / Q000503:physiopathology; D006801:Humans; D017725:Ventricular Pressure