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Results for “Negativism”

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PubMed1996

The computerized patient record and confidentiality. The nabobs of negativism are wrong.

The handwritten medical record has been the method of choice for documenting health care data since the last millennium. Given this successful tenure, it would be natural to greet any new information system that purports to be an advancement with skepticism. Moreover, physicians as a group are hardly progressive. Yet health care is taking a giant leap and is finally accepting computerization. The advantages and drawbacks of computerized information systems have long been thoroughly tested in such diverse industries as the military, banking, and the airlines. It is difficult to imagine any of these industries in their modern form without an advanced information system.

Attitude to Computers↗
PubMed1992

[Relative value of attenuation and negativation of systolic pulmonary venous flow in severe mitral insufficiency. Transesophageal echocardiographic study].

The aim of this study was to analyse the velocity profile of the systolic fraction of the pulmonary venous flow (PVF) in mitral regurgitation (MR). Three velocity profiles were identified in left superior pulmonary vein. Inversion of the systolic fraction of the PVF was specific for angiographic grade 4 MR (specificity 97%, sensitivity 100%). On the other hand, a decrease in this wave is much less specific for mild MR and depends on severe factors such as left atrial pressure, size and ejection fraction and the lack of atrial systole (as in atrial fibrillation or atrioventricular block). Therefore, inversion of PVF has a good positive predictive value for severe MR, but the interpretation of attenuation of this wave should take into consideration not only the MR but also left atrial pressure and compliance.

Blood Flow Velocity↗