title: Pulsed Doppler study of a case of coarctation of the aorta: demonstration of a continuous Doppler frequency shift.
abstract: Pulsed Doppler echocardiography was used to assess flow across a severe coarctation of the aorta. The high peak systolic Doppler frequency shift correlated well with the gradient measured at cardiac catheterization. A Doppler frequency shift was present throughout diastole, suggesting pan-diastolic flow across the coarctation. This finding may be a marker of severe coarctation of the aorta.
mesh_terms: D001017:Aortic Coarctation / Q000175:diagnosis*; D006328:Cardiac Catheterization; D002648:Child; D004301:Doppler Effect; D004452:Echocardiography; D006326:Heart Auscultation; D006801:Humans; D008297:Male; D055585:Physical Phenomena; D010825:Physics