Original Research

Systolic time intervals combined with Valsalva maneuver for the diagnosis of left ventricular dysfunction in COPD exacerbations

Boubaker H, Grissa MH, Beltaief K, Dridi Z, Najjar MF, Bouida W, Boukef R, Marghli S, Nouira S

International Journal of Chronic Obstructive Pulmonary Disease 2016, 11:2237-2243

Published Date: 15 September 2016