Fig. 1From: Bronchus-blocked ultrasound-guided percutaneous transthoracic needle biopsy (BUS-PTNB) for intubated patients with severe lung diseasesKey Steps of BUS-PTNB. Needle biopsy was carried out at bedside under ultrasound guidance. To prevent severe complications, mainly tension pneumothorax and massive intrabronchial hemorrhage, an endobronchial blocker was placed at lobar bronchus by a bronchoscope while samplingBack to article page