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Valsalva Manœuvre in the Diagnosis of Left Ventricular Failure in Chronic Obstructive Pulmonary Disease Exacerbation
Left ventricular failure (LVF) is a common cause of acute exacerbation of chronic obstructive pulmonary disease (AECOPD). This association is frequently underestimated with regard to the difficulty of clinical diagnosis . The investigators expect that Valsalva Maneuver (VM) could be useful in this issue.
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