Key result
M-mode echocardiography identifies characteristic mid-diastolic pulmonic valve opening distinguishing Uhl's anomaly from Ebstein's.
Why the study?
Characteristic echocardiographic features of Uhl's anomaly that differentiate it from Ebstein's anomaly were not well described.
Case Report (n=1)
M-mode echocardiography on a fifty-eight year old female with Uhl's anomaly showed several characteristic findings, which were considered to be useful in differentiating Uhl's anomaly from Ebstein's. Those findings were normal tricuspid diastolic closing velocity, the relatively early tricuspid valve opening, easy visualization of the tricuspid valve in usual position and the unusual mid-diastolic pulmonic valve full opening. The premature opening of the pulmonic valve correlated with the right atrial and ventricular mid-diastolic pressure exceeding that of the pulmonary artery.
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Ando et al. (1980) conducted a case report in Uhl's anomaly (n=1). M-mode echocardiography was evaluated on Echocardiographic features. M-mode echocardiography in a patient with Uhl's anomaly demonstrated characteristic findings, such as unusual mid-diastolic pulmonic valve full opening, useful for differentiating from Ebstein's.
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