Definition Hypoxemia during a thoracoscopic procedure with one-lung ventilation (OLV) is a common problem that needs to be dealt with by the anesthesia provider. Hypoxemia is commonly defined as oxygen saturation < 90% (Pao2 > 60 mm Hg). The basic goal during OLV is to maximize pulmonary vascular resistance (PVR) in the nonventilated lung while […]