Final answer:
After beginning a transfusion, it is recommended to stay with the patient for at least the first 15 minutes to monitor for any immediate adverse reactions and ensure the transfusion is progressing well.
Step-by-step explanation:
After beginning a transfusion, it is important to stay with the patient for at least the first 15 minutes. During this time, the healthcare provider can monitor the patient for any immediate adverse reactions, such as an allergic reaction or a transfusion-related infection. It is also crucial to document the patient's vital signs and ensure that the transfusion is progressing well without any complications. Depending on the specific situation and the patient's condition, the healthcare provider may need to stay with the patient for a longer period of time.