Examkin

Soru

Zorluk: ZorLabor, Delivery, and Puerperium

Match each severe intrapartum or puerperal complication to its most classic clinical presentation and associated risk factors.

  • Uterine ruptureAbrupt fetal bradycardia, loss of fetal station on cervical exam, and palpable fetal parts through the maternal abdomen in a patient with a prior cesarean delivery.
  • Amniotic fluid embolismSudden onset of profound hypoxia, cardiogenic shock, and disseminated intravascular coagulation (DIC) immediately following delivery or membrane rupture.
  • Uterine inversionA smooth, round mass protruding through the cervix into the vagina, accompanied by a nonpalpable uterine fundus abdominally and severe hemorrhagic shock out of proportion to blood loss.
  • Vaginal hematomaIntense, escalating pelvic pain and a tense, fluctuant mass palpated in the vaginal canal following an operative delivery, often with significant concealed blood loss.
  • Placenta accreta spectrumLife-threatening hemorrhage immediately following manual extraction of a retained placenta in a patient with a history of multiple prior cesarean deliveries.

Cevap

Uterine rupture corresponds to loss of fetal station and palpable fetal parts. Amniotic fluid embolism corresponds to sudden hypoxia and DIC. Uterine inversion corresponds to a protruding vaginal mass and nonpalpable fundus. Vaginal hematoma corresponds to intense pelvic pain and a fluctuant mass with concealed hemorrhage. Placenta accreta spectrum corresponds to massive hemorrhage following attempted manual placental extraction.
Each severe obstetric complication has distinct pathophysiologic hallmarks. Uterine rupture involves complete myometrial disruption (fetal parts in abdomen). Amniotic fluid embolism is an immunologic and anaphylactoid response (hypoxia and DIC). Uterine inversion is a mechanical collapse of the uterus (vaginal mass, absent fundus). Vaginal hematomas involve paravaginal vascular injury (concealed bleeding, severe pain). Placenta accreta prevents normal placental detachment (hemorrhage on manual extraction).

Adım Adım Çözüm

1
Analyze the clinical presentation of sudden hypoxia, cardiogenic shock, and DIC.
Identify this classic triad as Amniotic Fluid Embolism (AFE).
AFE is an anaphylactoid reaction to fetal antigens entering the maternal circulation, leading to rapid cardiopulmonary collapse and consumptive coagulopathy.
2
Evaluate the finding of intense pelvic pain and a fluctuant mass after an operative delivery.
Match this presentation to a Vaginal hematoma.
Operative deliveries can traumatize paravaginal vasculature. The bleeding expands into the paravaginal space, causing severe stretching of tissues (exquisite pain) while remaining externally concealed.
3
Identify the cause of massive hemorrhage upon manual extraction of a retained placenta in a patient with a prior cesarean.
Determine that this represents Placenta accreta spectrum.
Prior uterine surgery increases the risk of abnormal placental adherence. Attempting to manually shear off an abnormally adherent placenta results in profound hemorrhage.
4
Differentiate the remaining two presentations: loss of fetal station vs. a vaginal mass with a nonpalpable fundus.
Match loss of station and palpable abdominal fetal parts to Uterine rupture, and the vaginal mass with nonpalpable fundus to Uterine inversion.
In uterine rupture, the fetus extrudes into the peritoneal cavity. In uterine inversion, the uterus turns inside out, pulling the fundus down into the vagina.

Anahtar Kavram

Accurate differentiation of catastrophic intrapartum and postpartum complications based on their unique physical exam findings is critical for immediate, life-saving management.
Bu soruyu puanla

Konular

Labor, Delivery, and Puerperium

Bu konudan daha fazla soru