Abstract: Preserved ratio impaired spirometry (PRISm) is a pulmonary function pattern characterized by a forced expiratory volume in one second (FEV1) to forced vital capacity ratio greater than 0.70, ...
COPD has not changed much for 2013-14; this article covers the changes that have been made and highlights areas where you may be able to optimise scoring of points. It is permissible for a patient to ...
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