Final answer:
Before performing a venography, you need to confirm that prophylactic antibiotics have been administered, all essential imaging results are available, and evaluate the patient's airway and aspiration risk.
Step-by-step explanation:
Before performing a venography, several things must be checked:
- Confirm that prophylactic antibiotics have been administered - antibiotics should be given at least 60 minutes before the incision is made, or if antibiotics are not indicated, this should be confirmed.
- Confirm that all essential imaging results for the correct patient - it is essential to have the correct patient's imaging results displayed in the operating room.
- Evaluate the patient's airway and risk of aspiration - appropriate equipment and assistance should be available to evaluate and manage the patient's airway.