Cryptogenic stroke. Part 2: paradoxical embolism

Cryptogenic stroke (CS) is defined as a subtype of stroke associated with a heterogeneous group of pathogenetic mechanisms that remained undetermined in the course of advanced diagnostic research.One third or fourth of the ischemic strokes is cryptogenic.Paradoxical embolism Face toner is considered the important cause of cryptogenic stroke and tra

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Analysis Methods for Human Factors in Chemical Plant Accidents

It is important to analyze the cause of an accident so as to prevent further incidents of a similar kind.Variation Tree Analysis (VTA) and Why-Why analysis are accident investigation methods to analyze an accident due to human factors in Mitsubishi Chemical Corporation.VTA is the method to employ time series analysis of the circumstances at the tim

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