there is a graded system showing a progressive change in the ipsilateral vertebral artery waveform. Grade I lesions demonstrate antegrade flow with a diminished peak systolic velocity. Grade II ...

First, as rupture of dissecting aneurysms is known to predominate in the early phases of no more than 2 weeks (18), arterial changes may also dominate in this period. Second, while antithrombotics may ...

Johnson & Johnson has rewarded shareholders with a quarterly dividend. As a Dividend King, it is the epitome of a steady and ...

PM Images / Getty Images The cash flow statement is one of the most important but often overlooked components of a firm’s financial statements. It shows analysts, investors, credit providers ...

Short Wave New discoveries, everyday mysteries, and the science behind the headlines — in just under 15 minutes. It's science for everyone, using a lot of creativity and a little humor.

Specifically, the pulse pressure variation derived from analysis of the arterial waveform, the stroke volume variation derived from pulse contour analysis and the variation of the amplitude of the ...

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The ancient practices of observing the tongue and evaluating the pulse reveal a wealth of information about an ...

Stroke is a heterogeneous syndrome caused by multiple disease mechanisms, but all result in a disruption of cerebral blood flow with subsequent tissue damage. This review covers the mechanisms ...