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- A low fluid trainer: inability to see the vessel during normal ultrasound imaging. This is due to the presence of air, which reflects all sound energy.
- Fluid Overfill
You can overfill fluid spaces and vessels if you inject too much fluid. Overfill does not usually result in permanent damage, but you should correct it as soon as possible.
Withdraw excess fluid to alleviate overfill, or, with the Quick Fill method, make sure the IV bag is not hanging any higher than 12 inches (30 cm) above the training model