- Strongly recommended for all pleural procedures for pleural fluid
- Particularly useful for defining the diaphragm and pleural thickening in:
- Loculated effusions
- Empyema
- The marking of a site by ultrasound for subsequent remote aspiration (by a radiologist) is strongly discouraged
- Lower failure rate
- Reduced risk of complications – particularly:
- Pneumothorax
- Visceral organ perforation