If a woman is suffering from PPH, what dosage of IV oxytocin is given?

Bihar CHO - 2021

Obstetrics & Gynaecology

Easy

Appeared in: Bihar CHO - 2021

Explanation

The standard treatment for active Postpartum Hemorrhage (PPH) due to uterine atony is a continuous intravenous infusion of oxytocin.
A common and recommended regimen is to add 20 International Units (IU) of oxytocin to 1000 mL (1 L) of a crystalloid solution, such as Ringer's Lactate (RL) or Normal Saline (NS).
This solution is infused at a rate sufficient to control uterine atony and bleeding, typically starting at 40-60 drops per minute with a macrodrip set.
This method provides sustained uterine contraction, which is essential for compressing the blood vessels at the placental site and controlling hemorrhage.
Rapid IV push of a concentrated oxytocin bolus is avoided due to the significant risk of causing severe hypotension.

Option B: A 10 IU stat dose is the standard for prophylaxis (prevention) of PPH, usually administered intramuscularly (IM) after delivery of the placenta. It is not the primary treatment for active, ongoing PPH, which requires a sustained infusion.
Option C: This represents a highly concentrated, non-standard preparation of oxytocin. Administering 15 IU in such a small volume (25 mL) carries a very high risk of inadvertent rapid administration, leading to profound hypotension and cardiovascular compromise.
Option D: An infusion rate of 300 mL/minute is dangerously fast and unrealistic. This equates to 18,000 mL (18 L) per hour, which would cause massive fluid overload, pulmonary edema, and potentially death. Infusion rates are carefully controlled in mL/hour or drops/minute.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Pharmacological management of Postpartum Hemorrhage (PPH) using oxytocin as background academic context rather than a clinical decision trigger.
Recognizing and managing PPH is a critical skill for nurses. The '4 T's' (Tone, Trauma, Tissue, Thrombin) provide a framework for identifying the cause.
The nurse's role includes initiating the PPH protocol, which involves establishing large-bore IV access, administering uterotonics as ordered, massaging the uterine fundus, and closely monitoring vital signs and blood loss.
Accurate and rapid administration of the correct oxytocin infusion is a key intervention to stabilize the patient and prevent further deterioration.

How to Approach the Question

First, identify the clinical scenario: The question asks for the treatment of active Postpartum Hemorrhage (PPH), not its prevention.
Recall the standard pharmacological interventions for PPH. Oxytocin is the first-line agent.
Differentiate between prophylactic and treatment dosages. Prophylactic doses are typically smaller and may be given IM (e.g., 10 IU). Treatment for active bleeding requires a sustained effect, which is best achieved with a continuous IV infusion.
Evaluate the options based on standard protocols and safety. Option A describes a standard, safe infusion protocol.
Eliminate the other options. Option B is for prophylaxis. Option C is an unsafe concentration. Option D is a dangerously rapid and impossible infusion rate.
Select the option that represents the standard, safe, and effective treatment protocol for active PPH.

Concept Tested & Keywords

Concept Tested: Pharmacological management of Postpartum Hemorrhage (PPH) using oxytocin.
Stem keywords: PPH, woman, IV oxytocin, dosage
Lead-in keywords: what dosage
Clinical cues: The patient is actively suffering from PPH, indicating a need for treatment, not prophylaxis.

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