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Obstetrics 8 min read Undergraduate & Postgraduate

Postpartum Haemorrhage: Use the 4 Ts and Resuscitate in Parallel

A practical emergency framework for postpartum haemorrhage using Tone, Trauma, Tissue and Thrombin while resuscitation proceeds simultaneously.

Exam-oriented educational summary · Updated 10 September 2026

Typical exam stem

A woman develops heavy vaginal bleeding immediately after delivery and becomes tachycardic. How would you manage the emergency?

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1. Sixty-second answer plan

1:00

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Question 1 of 30 confident

What are the 4 Ts of postpartum haemorrhage?

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1

Call for help and resuscitate immediately

Postpartum haemorrhage can progress rapidly. Activate the obstetric haemorrhage response, assess airway and breathing, obtain large-bore intravenous access, send blood for full blood count, coagulation studies and cross-match, and begin haemodynamic resuscitation while the cause is identified. Quantify blood loss as accurately as possible and monitor response rather than relying on visual estimation alone.

2

Use the 4 Ts

  • Tone: uterine atony is common; assess uterine tone and begin uterine massage and uterotonic treatment according to protocol.
  • Trauma: inspect for genital tract tears, uterine rupture or inversion.
  • Tissue: assess for retained placenta or products of conception.
  • Thrombin: consider coagulopathy, especially with massive bleeding, abruption, sepsis or prolonged obstetric complications.
3

Escalation

Use tranexamic acid early when indicated and continue cause-specific treatment. If bleeding persists, escalate promptly to balloon tamponade, interventional radiology or surgery according to cause, severity and available resources. Massive transfusion protocols may be required. Delay in escalation is a major preventable danger in ongoing haemorrhage.

Guideline source for further reading

This page is an original exam-revision summary. For clinical decisions, use current local protocols and the primary guidance below.

Educational use: This material is designed for examination revision and does not replace patient-specific clinical judgement, local treatment protocols or specialist advice.