- Greater success rate 1
- Clear demonstration of a patent vein 1
- Clear demonstration of hypovolaemia (collapsing veins on inspiration) 1
- Reduced risk of bloodstream infections 1
- Recognition of local pathology 1
- Real-time needle guidance during puncture and visualisation of the collateral structures to be avoided 1
- Increased chance of 1st pass puncture 1
- Visualisation of needle/wire/catheter in a vein may confirm placement of the catheter 1
- Recognition of complications (e.g. haematoma or pneumothorax) 1
- Easier cannulation in the head-up position (e.g. brain injury) 1
