Define: Pneumonia as defined by a new infiltrate on chest x-ray plus two or more other factors after mechanical ventilation. These factors include temperature of >38 °C or <36 °C, a white blood cell count of >12 × 109/ml, purulent secretions from the airways in the lung, and/or reduction in gas exchange. 128 more words
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In the IELTS test the key goal is to score a satisfactory band.
In writing task 2, the band score depends on four aspects . 600 more words