| Invasive procedures | Invasive procedures | ||
|---|---|---|---|
| 1 | chest tube insertion | 8 | Colonoscopy |
| 2 | CT scan and MRI | 9 | Bronchoscopy |
| 3 | Paracentesis | 10 | Endoscopic retrograde cholangiopancreatography |
| 4 | Thoracentesis | 11 | lumbar puncture |
| 5 | Tracheostomy | 12 | Central venous line insertion |
| 6 | Anesthesia | 13 | Blood transfusion |
| 7 | Pericardiocentesis | ||