Figure 2.

Fiberoptic bronchoscopy during noninvasive positive pressure ventilation. The patient is connected to the ventilator via a face mask (FM) secured with elastic straps (ES). The bronchoscope is passed through a seal adapter (SA), in order to allow mechanical ventilation. The arrow indicates the optical instruments advanced into the nose.

Antonelli and Conti Critical Care 2000 4:15   doi:10.1186/cc645