Postpartum Hemorrhage: Cesarean Anesthesia Case Revi... \| MDster show = false, 1500)" role="region" aria-label="Connection status" aria-atomic="true" x-bind:aria-live="offline ? 'assertive' : 'polite'" x-bind:aria-hidden="(!show).toString()" class="offline-banner max-w-sm mx-auto px-4 py-3 text-sm font-bold text-center text-white rounded-full shadow-lg transition-all duration-500 ease-in-out" :class="{ 'hidden-state': !show, 'bg-error': offline, 'bg-success': !offline }"> You are offline Back online! [ MDster home ](/ "MDster home") Specialities [ Anesthesiology ](https://mdster.com/speciality/anesthesiology) [ Emergency Medicine ](https://mdster.com/speciality/emergency-medicine) [ Family Medicine ](https://mdster.com/speciality/family-medicine) [ Internal Medicine ](https://mdster.com/speciality/internal-medicine) [ Neurology ](https://mdster.com/speciality/neurology) [ Obstetrics & Gynecology ](https://mdster.com/speciality/obstetrics-gynecology) [ Pediatrics ](https://mdster.com/speciality/pediatrics) [ Psychiatry ](https://mdster.com/speciality/psychiatry) [ Features ](https://mdster.com/features) [ SOE Examiner NEW ](https://mdster.com/soe-examiner) [ Pricing ](https://mdster.com/pricing) [ Blog ](https://mdster.com/blog) Menu Specialities [ Anesthesiology ](https://mdster.com/speciality/anesthesiology) [ Emergency Medicine ](https://mdster.com/speciality/emergency-medicine) [ Family Medicine ](https://mdster.com/speciality/family-medicine) [ Internal Medicine ](https://mdster.com/speciality/internal-medicine) [ Neurology ](https://mdster.com/speciality/neurology) [ Obstetrics & Gynecology ](https://mdster.com/speciality/obstetrics-gynecology) [ Pediatrics ](https://mdster.com/speciality/pediatrics) [ Psychiatry ](https://mdster.com/speciality/psychiatry) [ Features ](https://mdster.com/features) [ SOE Examiner NEW ](https://mdster.com/soe-examiner) [ Pricing ](https://mdster.com/pricing) [ Blog ](https://mdster.com/blog) [ Login ](https://mdster.com/auth/login) 1. [ Home ](https://mdster.com) 2. [ Blog ](https://mdster.com/blog) 3. [ Case Discussion ](https://mdster.com/blog?category=case-discussion) 4. Postpartum Hemorrhage During Cesarean Delivery: Anesthesia Decisions [ Case Discussion ](https://mdster.com/blog?category=case-discussion) Postpartum Hemorrhage During Cesarean Delivery: Anesthesia Decisions ====================================================================== A case discussion of shock, ROTEM-guided resuscitation, and when to convert a spinal anesthetic to general anesthesia [ MDster Editorial Team ](https://mdster.com/about) · Nov 09, 2026 · 6 min read · 49 [ Reviewed by Dr. Ali Ragab, MBBCH, MSc, MCAI ](https://mdster.com/medical-reviewers/dr-ali-ragab) [Editorial Policy](https://mdster.com/editorial-policy) \| [Corrections Policy](https://mdster.com/corrections) [ Anesthesiology ](https://mdster.com/blog?tag=anesthesiology) [ Massive Transfusion ](https://mdster.com/blog?tag=massive-transfusion) [ Obstetric Anesthesia ](https://mdster.com/blog?tag=obstetric-anesthesia) [ Postpartum Hemorrhage ](https://mdster.com/blog?tag=postpartum-hemorrhage) [ Cesarean Delivery ](https://mdster.com/blog?tag=cesarean-delivery) [ ROTEM ](https://mdster.com/blog?tag=rotem) Share this article Share this post On this page 1. [ Recognize the Hemorrhage, Then Identify Its Sources ](#recognize-the-hemorrhage-then-identify-its-sources) 2. [ Atony does not explain every finding ](#atony-does-not-explain-every-finding) 3. [ Run Hemorrhage Control and Resuscitation in Parallel ](#run-hemorrhage-control-and-resuscitation-in-parallel) 4. [ Make the activation operational ](#make-the-activation-operational) 5. [ Treat fibrinolysis early; replace what the clot lacks ](#treat-fibrinolysis-early-replace-what-the-clot-lacks) 6. [ Decide Whether the Spinal Remains Safe ](#decide-whether-the-spinal-remains-safe) 7. [ Convert for a clinical indication, not a blood-loss number ](#convert-for-a-clinical-indication-not-a-blood-loss-number) 8. [ Clinical Application: After Bleeding Stops ](#clinical-application-after-bleeding-stops) 9. [ Key Points for Board Exams ](#key-points-for-board-exams) 10. [ Frequently Asked Questions ](#blog-faqs) 11. [ References ](#references-heading) On this page 1. [ Recognize the Hemorrhage, Then Identify Its Sources ](#recognize-the-hemorrhage-then-identify-its-sources) 2. [ Atony does not explain every finding ](#atony-does-not-explain-every-finding) 3. [ Run Hemorrhage Control and Resuscitation in Parallel ](#run-hemorrhage-control-and-resuscitation-in-parallel) 4. [ Make the activation operational ](#make-the-activation-operational) 5. [ Treat fibrinolysis early; replace what the clot lacks ](#treat-fibrinolysis-early-replace-what-the-clot-lacks) 6. [ Decide Whether the Spinal Remains Safe ](#decide-whether-the-spinal-remains-safe) 7. [ Convert for a clinical indication, not a blood-loss number ](#convert-for-a-clinical-indication-not-a-blood-loss-number) 8. [ Clinical Application: After Bleeding Stops ](#clinical-application-after-bleeding-stops) 9. [ Key Points for Board Exams ](#key-points-for-board-exams) 10. [ Frequently Asked Questions ](#blog-faqs) 11. [ References ](#references-heading) A 34-year-old woman undergoes urgent cesarean delivery under a T4 spinal anesthetic. After delivery, uterine atony and diffuse surgical oozing accompany blood loss exceeding 1,500 mL. She becomes nauseated and dyspneic; BP falls to 82/45 mmHg. The immediate danger is not simply an inadequate anesthetic—it is uncontrolled hemorrhage progressing toward shock and coagulopathy. Recognize the Hemorrhage, Then Identify Its Sources --------------------------------------------------- ### Atony does not explain every finding ACOG defines postpartum hemorrhage as cumulative blood loss of at least 1,000 mL, or blood loss with signs of hypovolemia, within 24 hours of birth, regardless of delivery route. This patient meets both criteria. Her spinal sympathectomy may compound hypotension, but it must not become a reassuring explanation for ongoing blood loss. [\[1\]](#cite-1 "Reference [1]") The soft uterus points toward atony; generalized oozing raises concern for a concurrent hemostatic defect. Ask the surgeon to reassess while resuscitation proceeds: - **Tone:** persistent atony despite massage and oxytocin. - **Trauma:** hysterotomy extension, uterine rupture, or another surgical bleeding site. - **Tissue:** retained placental tissue or abnormal placental separation. - **Thrombin:** consumption or dilution of fibrinogen and other hemostatic components. Abrupt, disproportionate hypoxemia with cardiovascular collapse and coagulopathy would broaden concern to amniotic fluid embolism. Here, visible uterine bleeding offers a compelling cause of shock, but respiratory deterioration still requires an airway and pulmonary assessment. Run Hemorrhage Control and Resuscitation in Parallel ---------------------------------------------------- ### Make the activation operational Declare the hemorrhage, call additional anesthesia and obstetric help, and explicitly activate the local massive transfusion protocol (MTP). Assign someone to communicate with the blood bank, a runner for products, and a recorder for cumulative blood loss and administered components. Clear roles prevent a technically activated protocol from becoming a delayed transfusion. 1. Give oxygen, assess ventilation and consciousness, confirm two large-bore IV lines, and obtain type and crossmatch, CBC, fibrinogen, PT/aPTT, ABG, ionized calcium, and ROTEM. Repeat tests as bleeding evolves; do not wait for results before treating shock. 2. Begin warmed blood-product resuscitation promptly. Use warmed isotonic crystalloid judiciously while blood arrives; escalating crystalloid alone worsens dilution and hypothermia. 3. Direct the surgeon toward definitive hemostasis while treating atony with massage and an appropriate oxytocin infusion. Escalation may require compression, tamponade, sutures, or hysterectomy according to the operative findings. [\[2\]](#cite-2 "Reference [2]") An additional rapid IV oxytocin bolus deserves caution in a hypotensive patient because it can aggravate hypotension. Carboprost is best avoided with her asthma because of bronchospasm risk. The product label calls for caution with a *history* of asthma and lists *active pulmonary disease* as a contraindication—a distinction worth preserving in an oral examination. [\[3\]](#cite-3 "Reference [3]") ### Treat fibrinolysis early; replace what the clot lacks Give tranexamic acid (TXA) promptly as part of hemorrhage treatment: 1 g IV over 10 minutes, within **3 hours of birth**. WHO supports a second 1-g dose if bleeding continues after 30 minutes or restarts within 24 hours. TXA inhibits fibrinolysis; it does not replace fibrinogen or eliminate the need for surgical control. [\[2\]](#cite-2 "Reference [2]") The ROTEM shows a normal EXTEM clotting time but low EXTEM maximum clot firmness (MCF 32 mm) and very low FIBTEM MCF (6 mm). This pattern prioritizes **fibrinogen replacement** with cryoprecipitate or fibrinogen concentrate, according to availability, followed by reassessment. Check platelet count and repeat viscoelastic testing before attributing all residual weak clot strength to platelets; FIBTEM MCF is not interchangeable with an A5 threshold. WHO recommends a fibrinogen target of at least 2 g/L during severe hemorrhage. [\[4\]](#cite-4 "Reference [4]") > **Clinical pearl:** A normal EXTEM clotting time does not mean the patient can form a strong clot. In a bleeding obstetric patient, a profoundly low FIBTEM result should redirect attention toward fibrinogen. There is no universally validated obstetric **1:1:1** transfusion rule. Use the institution’s emergency product packs initially, then target therapy to bleeding and results. WHO describes one unit of plasma per two RBC units as an *example* when massive bleeding continues and laboratory results are delayed; it prioritizes fibrinogen replacement when coagulopathy is evident. Monitor ionized calcium during large-volume transfusion: citrate in blood products can lower it, worsening contractility and coagulation. [\[4\]](#cite-4 "Reference [4]") At 35.2°C and pH 7.21, she is losing hemostatic efficiency as well as blood. Hypothermia impairs platelet function and coagulation enzyme activity; acidosis reduces effective thrombin generation. Warm the patient, blood, and room as feasible, and correct poor perfusion through hemorrhage control and resuscitation—not by treating an ABG number in isolation. [\[5\]](#cite-5 "Reference [5]") Decide Whether the Spinal Remains Safe -------------------------------------- ### Convert for a clinical indication, not a blood-loss number If she remains alert, ventilating adequately, and comfortable while surgery and resuscitation progress, continuing the spinal may avoid an induction in profound hypovolemia. Nausea, anxiety, and dyspnea demand immediate reassessment, however: they may signal falling perfusion, respiratory compromise, or an inadequate block. Do not mask deterioration with escalating sedation. General anesthesia becomes necessary when airway protection or ventilation fails, consciousness deteriorates, or urgent surgery cannot safely continue under neuraxial anesthesia. Before induction, mobilize experienced airway help, continue blood resuscitation, and prepare vasopressors. Reduce induction-agent dosing to the patient’s physiology; induction and positive-pressure ventilation can precipitate severe collapse in an underfilled circulation. Obstetric difficult-airway planning remains essential, but the source answer’s claim that cricoid pressure is invariably mandatory is too rigid. Follow an obstetric airway strategy and adjust or release cricoid pressure if it obstructs ventilation or intubation. [\[6\]](#cite-6 "Reference [6]") Clinical Application: After Bleeding Stops ------------------------------------------ Arrange a monitored postoperative setting appropriate to the shock, transfusion burden, and ongoing bleeding risk. Reassess uterine tone, serial blood counts and coagulation results, ionized calcium, temperature, perfusion, and respiratory status. Tell the blood bank when MTP can be stood down. Use sequential compression devices until ambulatory. Decide on pharmacologic thromboprophylaxis after reassessing hemostasis, individual VTE risk, and neuraxial timing; major hemorrhage is not a reason to overlook later thrombosis risk. [\[7\]](#cite-7 "Reference [7]") Key Points for Board Exams -------------------------- - Atony and coagulopathy can coexist; investigate surgical bleeding simultaneously. - Give TXA early, and treat low FIBTEM clot strength with fibrinogen replacement. - No single blood-product ratio substitutes for serial clinical and laboratory reassessment. - Severe hemorrhage does not automatically require general anesthesia, but declining airway or ventilatory safety does. - Correct hypothermia and monitor ionized calcium during transfusion. The strongest oral-exam response keeps three efforts moving together: stop the bleeding, restore effective circulation and clot formation, and repeatedly reassess whether the current anesthetic remains safe. Frequently Asked Questions ---------------------------- ### Does blood loss above 1,500 mL require immediate conversion from spinal to general anesthesia? No. Reassess consciousness, ventilation, block adequacy, hemodynamics, and surgical needs continuously. Convert when the current anesthetic no longer permits safe care. ### Why replace fibrinogen when EXTEM clotting time is normal? Clotting time reflects initiation, not final clot strength. Low FIBTEM and EXTEM maximum clot firmness during active bleeding support fibrinogen replacement. ### Is carboprost absolutely contraindicated by a remote history of mild asthma? The product label advises caution with a history of asthma and contraindicates use in active pulmonary disease. In this case, bronchospasm risk favors avoiding it. ### When should TXA be given for this hemorrhage? Give 1 g IV over 10 minutes as soon as possible and within 3 hours of birth, alongside—not instead of—other hemorrhage treatment. References (9) ------------------ 1. 1. [ www.acog.org/practice-management/health-it-and-clinical-informatics/revitalize-obstetrics-data-definitions ](https://www.acog.org/practice-management/health-it-and-clinical-informatics/revitalize-obstetrics-data-definitions) [↩](#cite-ref-1-1 "Back to text") 2. 2. [ www.ncbi.nlm.nih.gov/books/NBK619233 ](https://www.ncbi.nlm.nih.gov/books/NBK619233/) [↩](#cite-ref-2-1 "Back to text") 3. 3. [ dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=3d282998-ff0c-480a-bd80-155606ef0a65 ](https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=3d282998-ff0c-480a-bd80-155606ef0a65) [↩](#cite-ref-3-1 "Back to text") 4. 4. [ www.ncbi.nlm.nih.gov/books/NBK619233/table/ch3.tab45/?report=objectonly ](https://www.ncbi.nlm.nih.gov/books/NBK619233/table/ch3.tab45/?report=objectonly) [↩](#cite-ref-4-1 "Back to text") 5. 5. [ transfusionontario.org/wp-content/uploads/2021/10/Recommendation-Statements-\_FinalDraft\_Mar2025-V2.pdf ](https://transfusionontario.org/wp-content/uploads/2021/10/Recommendation-Statements-_FinalDraft_Mar2025-V2.pdf) [↩](#cite-ref-5-1 "Back to text") 6. 6. [ Obstetric Anaesthetists’ Association and Difficult Airway Society. Guidelines for difficult and failed tracheal intubation in obstetrics. 2015. ](https://pmc.ncbi.nlm.nih.gov/articles/PMC4606761/) [↩](#cite-ref-6-1 "Back to text") 7. 7. [ Society for Maternal-Fetal Medicine. Consult Series #51: Thromboembolism prophylaxis for cesarean delivery; reaffirmed 2024. ](https://publications.smfm.org/publications/327-society-for-maternal-fetal-medicine-consult-series-51/) [↩](#cite-ref-7-1 "Back to text") 8. 8. [ ACOG. Postpartum Hemorrhage, Practice Bulletin No. 183; reaffirmed 2024. ](https://www.acog.org/clinical/clinical-guidance/practice-bulletin/articles/2017/10/postpartum-hemorrhage) 9. 9. [ WHO, FIGO, and ICM. Consolidated guidelines for the prevention, diagnosis and treatment of postpartum haemorrhage. 2025. ](https://www.who.int/publications/i/item/9789240115637/) Keep going Build momentum in Anesthesiology with focused, exam‑style practice -------------------------------------------------------------------- - Airway, ventilation, and crisis drills - High‑yield anesthesia pharmacology made practical - Track weak topics and improve faster [ Start practicing ](https://mdster.com/user/dashboard) [ Explore Anesthesiology ](https://mdster.com/speciality/anesthesiology) [ View pricing ](https://mdster.com/pricing) [ Explore features ](https://mdster.com/features) No credit card required. Full access to all features\*. No commitment. Cancel anytime. \*AI SOE Examiner is limited to 10 cases monthly for Advanced & Bundle subscribers. Explore topics: [ # Anesthesiology ](https://mdster.com/blog?tag=anesthesiology) [ # Massive Transfusion ](https://mdster.com/blog?tag=massive-transfusion) [ # Obstetric Anesthesia ](https://mdster.com/blog?tag=obstetric-anesthesia) [ # Postpartum Hemorrhage ](https://mdster.com/blog?tag=postpartum-hemorrhage) [ # Cesarean Delivery ](https://mdster.com/blog?tag=cesarean-delivery) [ # ROTEM ](https://mdster.com/blog?tag=rotem) [ Back to all posts ](https://mdster.com/blog) Discussion () ----------------- Join the discussion [ Log in ](https://mdster.com/auth/login) or [ Sign up ](https://mdster.com/auth/register) No comments yet Be the first to share your thoughts! ![]() More in Case Discussion ----------------------- [ See all ](https://mdster.com/blog?category=case-discussion) [### Agitation in Alzheimer Disease: A Case Discussion for Clinicians 7 min read Nov 07, 2026 ](https://mdster.com/blog/agitation-in-alzheimer-disease-a-case-discussion-for-clinicians) [### Major Burns and Inhalation Injury: An Anesthesia Case Discussion 6 min read Nov 05, 2026 ](https://mdster.com/blog/major-burns-and-inhalation-injury-an-anesthesia-case-discussion) [### Deep Brain Stimulation for Refractory OCD: A Psychiatry Case Discussion 6 min read Nov 04, 2026 ](https://mdster.com/blog/deep-brain-stimulation-for-refractory-ocd-a-psychiatry-case-discussion) Related Posts ------------- [ ![Agitation in Alzheimer Disease: A Case Discussion for Clinicians](https://mdster.com/storage/blog/images/agitation-in-alzheimer-disease-a-case-discussion-for-clinicians.png) Case Discussion ### Agitation in Alzheimer Disease: A Case Discussion for Clinicians An older man with Alzheimer disease develops aggression and nighttime wandering. Work through pain, delirium, medication risks, and caregiver-centered management. 7 min read 0 comments ](https://mdster.com/blog/agitation-in-alzheimer-disease-a-case-discussion-for-clinicians) [ Case Discussion ### Major Burns and Inhalation Injury: An Anesthesia Case Discussion A house-fire survivor with stridor and 45% TBSA burns needs an airway now—but the next threats are occult smoke toxicity, fluid overload, and changing drug responses. 6 min read 0 comments ](https://mdster.com/blog/major-burns-and-inhalation-injury-an-anesthesia-case-discussion) [ ![Deep Brain Stimulation for Refractory OCD: A Psychiatry Case Discussion](https://mdster.com/storage/blog/images/deep-brain-stimulation-for-refractory-ocd-a-psychiatry-case-discussion.png) Case Discussion ### Deep Brain Stimulation for Refractory OCD: A Psychiatry Case Discussion A severe OCD case tests how to assess DBS candidacy, distinguish established targets, obtain meaningful consent, and respond when stimulation suddenly stops. 6 min read 0 comments ](https://mdster.com/blog/deep-brain-stimulation-for-refractory-ocd-a-psychiatry-case-discussion) [ ![Status Asthmaticus: Intubation, Air Trapping, and Ventilator Rescue](https://mdster.com/storage/blog/images/status-asthmaticus-intubation-air-trapping-and-ventilator-rescue.png) Case Discussion ### Status Asthmaticus: Intubation, Air Trapping, and Ventilator Rescue A deteriorating patient with severe asthma needs intubation. Learn how to recognize ventilatory failure, prevent dynamic hyperinflation, and investigate sudden hypotension. 6 min read 0 comments ](https://mdster.com/blog/status-asthmaticus-intubation-air-trapping-and-ventilator-rescue) [ ![Parkinson’s Disease Psychosis, Gambling, and Dopamine Dysregulation](https://mdster.com/storage/blog/images/parkinsons-disease-psychosis-gambling-and-dopamine-dysregulation.png) Case Discussion ### Parkinson’s Disease Psychosis, Gambling, and Dopamine Dysregulation A patient with Parkinson’s disease develops gambling, medication overuse, punding, and hallucinations. Follow the diagnostic reasoning and supervised treatment decisions. 7 min read 0 comments ](https://mdster.com/blog/parkinsons-disease-psychosis-gambling-and-dopamine-dysregulation) [ ![Lung Transplant Anesthesia: RV Failure, ECMO, and Graft Dysfunction](https://mdster.com/storage/blog/images/lung-transplant-anesthesia-rv-failure-ecmo-and-graft-dysfunction.png) Case Discussion ### Lung Transplant Anesthesia: RV Failure, ECMO, and Graft Dysfunction A patient with severe pulmonary hypertension deteriorates during lung transplantation. Work through RV rescue, ECMO selection, anastomotic assessment, and graft protection. 6 min read 0 comments ](https://mdster.com/blog/lung-transplant-anesthesia-rv-failure-ecmo-and-graft-dysfunction) [ MDster home ](/ "MDster home") Master your medical exams with evidence-based learning. [ Download on the App Store ](https://apps.apple.com/app/id6759168258) [ GET IT ON Google Play ](https://play.google.com/store/apps/details?id=com.mdster.app) Platform - [Home](https://mdster.com) - [Features](https://mdster.com/features) - [Pricing](https://mdster.com/pricing) - [About](https://mdster.com/about) Resources - [Blog](https://mdster.com/blog) - [Curriculum](https://mdster.com/curriculum) - [Dashboard](https://mdster.com/user/dashboard) Support - [Contact](https://mdster.com/contact) - [Legal & Policies](https://mdster.com/legal) - [Medical Reviewers](https://mdster.com/medical-reviewers) © 2026 MDster [Terms](https://mdster.com/terms) [Privacy](https://mdster.com/privacy) [Editorial](https://mdster.com/editorial-policy) [ ](https://apps.apple.com/app/id6759168258) [ ](https://play.google.com/store/apps/details?id=com.mdster.app) reCAPTCHA Protected by reCAPTCHA. Google [Privacy Policy](https://policies.google.com/privacy) and [Terms of Service](https://policies.google.com/terms) apply. Cookie Consent -------------- We use cookies to enhance your experience. By continuing to visit this site you agree to our use of cookies. [ Terms of Use ](https://mdster.com/terms) & [ Privacy Policy ](https://mdster.com/privacy) Accept