Quick answerUterine atony with postpartum hemorrhage. Take action: fundal massage and activate the obstetric hemorrhage protocol. Monitor: quantified blood loss and fundal tone and position.
Why this is correctProlonged labor with oxytocin augmentation exhausts the myometrium. A boggy fundus that bleeds while the placenta is complete and no tear is seen makes loss of tone the primary source; the full bladder is displacing the uterus to the right and adds to atony. A shock index of 112/94 ≈ 1.2 with dizziness means this is already a hemorrhage, not heavy lochia, so a team response with uterotonics, access, and blood readiness is needed in parallel with massage. Measured loss and uterine firmness are the direct readouts of whether the uterus is clamping down.
Easy analogy or mental pictureThink of the uterus as a sponge of blood vessels held shut by muscle. When the muscle relaxes, the sponge drips; massage squeezes it, the protocol brings the medicines that keep it squeezed, and a scale tells you if the dripping stopped.
Memory hookBoggy + bleeding = RUB and RALLY (massage, protocol); WEIGH and FEEL (QBL, fundus).
NCLEX decision ruleMatch the bleeding source to the exam: soft fundus = tone; firm fundus with bleeding = trauma; firm fundus with pain and pressure = hematoma. Treat the source you can act on now and escalate when the shock index exceeds 1.
Why the other choices are wrongA laceration bleeds with a firm, contracted uterus, and none is visible; retained tissue is less likely with a complete placenta; a hematoma causes severe pain or rectal pressure with little visible bleeding. Trendelenburg is outdated and impairs ventilation without restoring volume. Emptying the bladder helps, but walking a dizzy, hypotensive client to the bathroom risks a fall — the bladder should be drained by catheter as part of the protocol. Ice to the perineum is for edema or small hematomas. Temperature tracks endometritis, reflexes track magnesium or preeclampsia, and perineal pain tracks hematoma rather than atony.
References
1ACOG Practice Bulletin 183: Postpartum HemorrhageAtony as leading cause, uterine massage, hemorrhage bundle activation, and quantified blood loss
2WHO Consolidated Guidelines for Postpartum HaemorrhageEarly detection by measured blood loss and first-response treatment bundle for postpartum haemorrhage