Final answer:
The immediate nursing actions that should be taken when postpartum hemorrhage is detected include assessing vital signs, massaging the uterus, and administering oxytocin.
Step-by-step explanation:
When postpartum hemorrhage is detected, the immediate nursing actions that should be taken include: assessing vital signs, massaging the uterus, and administering oxytocin. These actions are important for controlling bleeding and helping the uterus contract to reduce the risk of further hemorrhage. Assessing vital signs, such as blood pressure and pulse rate, helps determine the severity of the hemorrhage. Massaging the uterus helps stimulate contractions and expel any remaining tissue or clots. Administering oxytocin, a hormone that causes the uterus to contract, helps control bleeding and prevent excessive blood loss.