Figure 2 From: Noninvasive positive pressure ventilation as treatment for acute respiratory failure in critically ill patients Fiberoptic bronchoscopy during noninvasive positive pressureventilation. The patient is connected to the ventilator via a face mask (FM)secured with elastic straps (ES). The bronchoscope is passed through a sealadapter (SA), in order to allow mechanical ventilation. The arrow indicates theoptical instruments advanced into the nose.Back to article page