Left to Right Shunt Study Normal Case
Male 24 year old patient, referred for left to right shunt evaluation. Schematic lung time activity curve shown. Note rapid up and down slope, very smooth on the wasout part (arrow). Qp:Qs gave a value of 1.2 (Normal).
References:
1 Peix A. Medicina Nuclear en Cardiología Pediátrica, p 151-158 in: Medicina Nuclear Aplicaciones Clínicas. Eds: I. Carrio - P. González. Editorial Masson, Barcelona España, 2003.
2 Maltz DL, Treves S. Quantitative radionuclide angiocardiography: determination of Qp: Qs in children. Circulation. 1973 May;47(5):1049-56.