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Objective: To investigate the feasibility and the efficacy of expiration under positive pressure (PEP mask) as a chest physiotherapy in patients with exacerbation of chronic obstructive pulmonary disease (COPD) and acute hypercapnic respiratory failure (AHRF) requiring non-invasive positive pressure ventilation (NIPPV). Design: A prospective, randomised,(More)
Approximately one-half of acute myocardial infarctions occur in patients with no history of coronary artery disease (CAD), and nearly two-third are due to thrombosis occurred on mild to moderate coronary stenosis. So, early noninvasive identification of CAD is mandatory for identifying patient at high risk of coronary events. The extension of coronary(More)