A patient with myelocytic leukemia who showed electrical alternans of the T-U wave with no change in the QRS complex following chemotherapy is described. Electrocardiogram taken 4 days later showed ventricular quadrigeminy in which the T-U wave of the first sinus beat after the ventricular premature contraction was markedly less prominent compared to the successive two sinus beats which showed ...

BACKGROUND A developmental model of epidemiological transition for elderly suicide rates with four sequential stages has been developed to simultaneously explain cross-national variations in elderly suicide rates, trends over time for elderly suicide rates and age-associated trends in suicides rates reported in the literature. This model was supported by demonstration of a curvilinear (inverted...

This paper studies joint pricing and remanufacturing strategy of a firm that decides to offer both new and remanufactured versions of its product in the market. In making this decision, the firm balances the additional revenue from selling remanufactured products, the demand cannibalization of new product sales, and the cost of remanufacturing. We present the model of the firm’s decisions and c...