👤 By the CinnaRN Clinical Content Team🕐 Updated 2026-08-23🏷️ Physiological Adaptation🔖 Free to read, print, and share
Also known as: AFE · amniotic fluid embolism · anaphylactoid syndrome of pregnancy
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Use this quick-reference guide to spot, treat, and prevent Amniotic Fluid Embolism on the NCLEX. Keep it handy during review and on exam day!
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📒 The 1-minute cheat sheet
📌 Mech
Amniotic fluid → maternal circulation
Anaphylactoid → cardiorespiratory collapse
🩺 Signs
Sudden dyspnea, hypoxia, cyanosis
Hypotension, cardiac arrest
DIC → uncontrolled bleeding
✅ Do
Call code, high-flow O2, intubate
CPR, fluids, blood products
Left lateral tilt, prep emergent delivery
🚩 Report
High mortality → rapid response
📚 Amniotic Fluid Embolism — full study notes
The cheat sheet above is your quick recall card. These notes go deeper — what it is, what to do first, what must be reported, and what to teach.
Amniotic fluid embolism (AFE) is a rare, catastrophic emergency in which amniotic fluid, fetal cells, or debris enter the maternal circulation, triggering an anaphylactoid-type reaction with sudden cardiorespiratory collapse and disseminated intravascular coagulation (DIC). It usually occurs during labor, delivery, or immediately postpartum. Onset is abrupt and mortality is high, so immediate resuscitation is required.
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Key points
Understand these first
Classic triad: sudden hypoxia/respiratory distress, hypotension/cardiovascular collapse, and coagulopathy (DIC).
Early signs may include acute dyspnea, restlessness, chest pain, cyanosis, and a feeling of impending doom.
DIC causes uncontrolled bleeding from the uterus, IV sites, and incisions.
Treatment is supportive: aggressive oxygenation/ventilation, circulatory support, and correction of coagulopathy with blood products.
Care requires a rapid multidisciplinary response and often ICU-level support.
If undelivered, emergent delivery of the fetus is performed to improve maternal resuscitation.
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Nursing priorities
What to do, in order
Call a rapid response/code and provide immediate high-flow oxygen and prepare for intubation/CPR.
Position appropriately, establish large-bore IV access, and give fluids/vasopressors as ordered.
Anticipate and administer blood products (PRBCs, FFP, platelets, cryoprecipitate) for DIC.
Continuously monitor maternal vitals, oxygenation, and fetal status; prepare for emergent delivery.
Provide emotional support to the family during the emergency.
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Red flags — report now
Escalate immediately
Report sudden dyspnea, hypotension, cyanosis, or cardiovascular collapse in labor or postpartum immediately.
Report uncontrolled bleeding/oozing from IV sites or incisions (DIC).
Report acute loss of consciousness or cardiac arrest and begin resuscitation.
Because AFE is sudden and unpredictable, teaching focuses on informing the family during/after the emergency.
Explain interventions and monitoring to support the family during the crisis.
❓ Amniotic Fluid Embolism: NCLEX FAQs
What are the priority nursing interventions for Amniotic Fluid Embolism?
Call a rapid response/code and provide immediate high-flow oxygen and prepare for intubation/CPR. Position appropriately, establish large-bore IV access, and give fluids/vasopressors as ordered. Anticipate and administer blood products (PRBCs, FFP, platelets, cryoprecipitate) for DIC. Continuously monitor maternal vitals, oxygenation, and fetal status; prepare for emergent delivery.
What are the warning signs of Amniotic Fluid Embolism a nurse must report?
Report sudden dyspnea, hypotension, cyanosis, or cardiovascular collapse in labor or postpartum immediately. Report uncontrolled bleeding/oozing from IV sites or incisions (DIC). Report acute loss of consciousness or cardiac arrest and begin resuscitation.
What do I need to know about Amniotic Fluid Embolism for the NCLEX?
Classic triad: sudden hypoxia/respiratory distress, hypotension/cardiovascular collapse, and coagulopathy (DIC). Early signs may include acute dyspnea, restlessness, chest pain, cyanosis, and a feeling of impending doom. DIC causes uncontrolled bleeding from the uterus, IV sites, and incisions. Treatment is supportive: aggressive oxygenation/ventilation, circulatory support, and correction of coagulopathy with blood products.
What patient teaching is important for Amniotic Fluid Embolism?
Because AFE is sudden and unpredictable, teaching focuses on informing the family during/after the emergency. Explain interventions and monitoring to support the family during the crisis.
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Quick Tip
Classic triad: sudden hypoxia/respiratory distress, hypotension/cardiovascular collapse, and coagulopathy (DIC).