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Polymer tantalum capacitor technology was developed in response to demands from the market to lower the ESR of tantalum capacitors while preserving their small case size and high reliability. The technology is promising in several aspects. The higher quality interface between the dielectric and the polymer cathode increases the breakdown voltage of the device, as well as reducing its DC leakage current,...
CT pulmonary angiography (CTPA) has become the preferred diagnostic tool in patients suspected of having pulmonary embolism (PE). Ventilation/perfusion single photon emission computed tomography (V/P-SPECT), despite yields similar diagnostic output, it is left to cases were CTPA is inappropriate. Radiation burden should play an important role in modality selection especially in follow-up studies,...
Collateral flow, even when developed after acute myocardial infarction (AMI), prevents the progressive left ventricular dilation and remodeling after AMI. independent of infarct size reduction. The mechanisms underlying this situation are unknown. The purpose of this study was to examine the hypothesis that collateral flow influences the collagen volume fraction in the necrotic area. We studied ten...
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