Spiked-helmet Sign: A Rare but Alarming Sign on Electrocardiogram

Spiked Helmet Sign was first described by Littman and Munroe in 2011 in a case series of 8 patients.This novel ECG sign is a predictor of death in critically ill patients.It resembles the German military helmet of the Prussian empire.27-year-old male came with chief complaints of upper epigastric pain Input Devices and chest pain for 2 hours.ECG sh

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Callus induction on standard type Cymbidium cultivars

Tissue cultured Cymbidium PLBs (protocormlike body) were used Kettle Rack as starting material to induce embryogenic callus which could serve as objects of genetic transformation.We obtained callus using two methods.The first method was culturing the PLB segments for one month in liquid MS medium in the presence of 0.5 mg/1 benzyladenine and 0.05 m

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Trees in Urban and City Environments: a review of the selection criteria with particular reference to nature conservation in New Zealand Cities

The overall aim of this research was to review the general criteria for selection of trees for urban environments and city environments.The reason Towels for this research was to assess the extent to which criteria for tree selection can contribute to nature conservation in cities.We conducted an extensive review of the literature, looking for publ

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