Robert Braff

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Right ventricular (RV) systolic function analysis by echocardiography has traditionally required RV endocardial border definition with subsequent tracing and is often inaccurate or impossible in technically poor studies. The atrioventricular plane displacement (AVPD) method attempts to use the descent of the tricuspid annular ring, a reflection of the(More)
Several satellite latent fault modes can cause errors that may not be removed by pseudorange corrections or be detected unless special augmentation-based integrity monitors are employed. The error classes resulting from satellite fault modes are distorted signal waveform, uncorrectable ephemeris error, excessive clock acceleration, excessive code-carrier(More)
Mechanical complications of acute myocardial infarction (AMI) are rare, but often fatal. Medical therapy does not provide adequate risk reduction, and surgical correction is recommended when feasible. Supplemental hemodynamic support utilizing intra-aortic counterpulsation with a balloon pump provides an improvement in morbidity and mortality when combined(More)
The onset of the clinical expression of rheumatic heart disease (RHD) is variable. Exercise or other states that necessitate increased cardiac output often precipitate symptoms. Mitral stenosis (MS) is present in 25% of patients with RHD, and 40% of patients have concomitant MS and mitral regurgitation. About two third of patients with MS have concurrent(More)
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