The four T's of postpartum hemorrhage are?

Appeared in: MNS 2024

Explanation

The correct answer identifies the four primary etiologies of postpartum hemorrhage (PPH), which are universally remembered by the mnemonic 'The Four T's'.
Tone: Refers to uterine atony, the failure of the uterus to contract after birth. It is the most common cause of PPH, accounting for about 80% of cases.
Tissue: Involves retained placental tissue or blood clots that prevent the uterus from contracting effectively.
Trauma: Includes injuries to the genital tract, such as lacerations of the cervix, vagina, or perineum, or uterine rupture.
Thrombin: Pertains to coagulopathy, where pre-existing or acquired clotting disorders prevent the blood from clotting normally.

Option A: This option incorrectly includes 'Temperature' instead of 'Trauma'.
Option C: This option incorrectly includes 'Temperature' instead of 'Tissue'.
Option D: This option incorrectly includes 'Temperature' instead of 'Thrombin'.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Causes of Postpartum Hemorrhage (PPH) as background academic context rather than a clinical decision trigger.
Rapidly assessing for the 'Four T's' is a critical nursing skill in the immediate postpartum period to identify the cause of hemorrhage and initiate life-saving interventions.
The sequence of interventions often follows the mnemonic: first, assess Tone (massage the fundus), then consider Tissue, Trauma, and finally Thrombin if bleeding persists.
What if? If a patient is bleeding heavily but the uterus is firm and well-contracted upon fundal massage, the nurse's priority shifts from 'Tone' to suspecting 'Trauma'. The next action would be to notify the provider immediately for a thorough examination of the genital tract for lacerations.

How to Approach the Question

This is a factual recall question that tests knowledge of a common obstetric mnemonic.
First, identify the core concept being tested, which is the causes of postpartum hemorrhage (PPH).
Recall the 'Four T's' mnemonic taught in nursing education for PPH.
Systematically evaluate each option to see which one matches the correct mnemonic.
Eliminate any options that include terms not part of the standard mnemonic. In this case, 'Temperature' is the incorrect term present in three of the options.
Select the option that correctly lists all four components: Tone, Tissue, Trauma, and Thrombin.

Concept Tested & Keywords

Concept Tested: Causes of Postpartum Hemorrhage (PPH)
Stem keywords: postpartum hemorrhage, four T's
Lead-in keywords: are
Clinical cues: Age/sex group narrows the expected diagnosis, intervention, or normal reference range.

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E6 Midwifery Obstetrics and Gynecology Nursing Sandeep Kaur p. 65-79

Practise the full MNS 2024

Attempt every question from this paper in a timed mock, then review the full solution for each one.