The following is a contraindication for bag and mask ventilation?

VSSC Nursing Officer - 2021

Child Health Nursing (Pediatrics)

Easy

Appeared in: VSSC Nursing Officer - 2021

Explanation

Diaphragmatic hernia is a critical contraindication for bag-mask ventilation in newborns.
In this condition, abdominal organs have herniated into the chest cavity through a defect in the diaphragm.
Using a bag and mask forces air into the stomach and intestines, causing these herniated organs to expand within the chest.
This expansion further compresses the already underdeveloped lungs and the heart, worsening respiratory distress and compromising blood flow.
The correct management is immediate endotracheal intubation to secure the airway and provide ventilation directly to the lungs, bypassing the gastrointestinal tract.

Option A: Persistent central cyanosis is a clear indication for initiating or continuing respiratory support, not a contraindication. It signals that the newborn is not getting enough oxygen.
Option B: A heart rate below 100 beats per minute in a newborn is a primary indication to start positive-pressure ventilation (PPV) with a bag and mask, according to Neonatal Resuscitation Program (NRP) guidelines.
Option D: A respiratory rate below 20 in a newborn indicates severe bradypnea or apnea. This is a critical indication that requires immediate intervention with positive-pressure ventilation to support breathing.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Contraindications for bag-mask ventilation in neonatal resuscitation as background academic context rather than a clinical decision trigger.
Recognizing the signs of a potential diaphragmatic hernia (e.g., scaphoid abdomen, asymmetric chest movement, bowel sounds in the chest) is a critical nursing assessment in the delivery room.
Withholding bag-mask ventilation in a suspected case and preparing for immediate intubation and gastric decompression is a life-saving nursing action.
What if? If a newborn requires PPV but has a very distended, tense abdomen (not scaphoid), diaphragmatic hernia is less likely. The team should proceed with PPV while also considering other causes like a bowel obstruction, and be prepared to place an orogastric tube to decompress the stomach.

How to Approach the Question

First, identify the core task of the question: you need to find the one option that is a contraindication for bag-mask ventilation.
Next, analyze the procedure. Bag-mask ventilation provides positive pressure to the upper airway to inflate the lungs.
Evaluate each option in the context of neonatal resuscitation. Ask yourself, 'Is this a reason to AVOID or a reason to PERFORM bag-mask ventilation?'
Recall that signs of respiratory distress and poor transition, such as cyanosis, bradycardia (HR < 100), and apnea/bradypnea (RR < 20), are the primary indications for starting this procedure.
This process of elimination leaves 'Diaphragmatic hernia'. Consider the anatomy: if the bowel is in the chest, forcing air into it would be harmful. This confirms it as the contraindication.

Concept Tested & Keywords

Concept Tested: Contraindications for bag-mask ventilation in neonatal resuscitation.
Stem keywords: contraindication, bag and mask ventilation
Lead-in keywords: The following is
Negative lead-in flag: false

QA3p6uWB2s9kameXGFtBdv

E6 Ghai Essential Pediatrics(pp 26-904 of 913) p. 121-123

E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 1080-1082