DISCREPANCIES IN THE ECHOCARDIOGRAPHIC QUANTIFICATION OF AORTIC STENOSIS

Supravalvular aortic stenosis. Echocardiographic features.

The echocardiographic manifestations of segmental supravalvular aortic stenosis are described in 2 patients. The diagnosis was confirmed by cardiac catheterization in both and at operation in 1. A systematic echocardiographic approach to such patients is described. The characteristic finding in these patients was the narrowing of the diameter of the aortic lumen at the stenotic area just distal...

Echocardiographic findings in discrete subvalvular aortic stenosis.

Echographic features of three patients with discrete subvalvular aortic stenosis are presented. These include a narrowed area of the left ventricular outflow tract just below the aortic valve cusps in all cases. A high-intensity but thin echo was seen in the high left ventricular outflow tract at the level of the mitral annulus in one patient with a subaortic diaphragm. In one of the three pati...

Echocardiographic detection of supravalvular aortic stenosis.

Echocardiographic features of supravalvular aortic stenosis.

A method for the echocardiographic detection of supravalvular aortic stenosis (SVAS) is described and the findings in a series of patients are presented. When compared to angiography, the echo tended to underestimate the severity of the supravalvular aortic obstruction. However, echocardiography appears to be a valuable, noninvasive method for detecting SVAS.

The intraoperative quantification of aortic stenosis.

Donald Oxorn, MD, CM, FRCPC, FACC In the industrialized world, aortic stenosis (AS) is the most common valvular heart abnormality and is primarily the result of calcific valvular disease. Its prevalence increases with age, reaching 2.8% in individuals older than 75 yr. When history and clinical examination suggest the diagnosis of AS, transthoracic echocardiography (TTE) is the confirmatory tes...