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Principle
When a blood vessel model is irradiated with X-rays, the blood vessels themselves are not visible at first. It is only after the injection of a contrast medium that the blood vessels become visible.
Benefits
- Effective demonstration of how a contrast medium can be visualized with X-rays
- Excellent entry-level experiment for medical students
Tasks
- Inject a 50% potassium iodide solution into the blood vessel model.
- Observe the fluorescent screen of the X-ray basic unit to follow the course taken by the injected solution in the blood vessel model.
Learning objectives
- X-ray radiation
- Bremsstrahlung
- Characteristic radiation
- Law of absorption
- Mass absorption coefficient
- Contrast medium
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Digital learning
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