A nurse is collecting data from an infant a large patent ductus arteriosus. Which of the following is clinical manifestations should the nurse expect?

Machine like murmur

Chronic hypoxemia

Cyanosis with crying

Weak pulse

Answer and Explanation

The Correct Answer is A

A. Machine-like murmur.

This option is correct. A characteristic clinical manifestation of a large patent ductus arteriosus is a continuous "machine-like" murmur heard on auscultation. This murmur is typically heard best at the upper left sternal border and may radiate to the back.

B. Chronic hypoxemia.

Chronic hypoxemia is not typically a primary manifestation of a large PDA. While PDA can lead to increased pulmonary blood flow and potentially contribute to pulmonary congestion, chronic hypoxemia may not be a prominent feature unless complications such as heart failure develop.

C. Cyanosis with crying.

Cyanosis with crying is more commonly associated with cyanotic congenital heart defects such as tetralogy of Fallot. While PDA can contribute to cyanosis in certain circumstances, it is not typically a consistent clinical manifestation.

D. Weak pulse.

A weak pulse is not typically associated specifically with a large PDA. Infants with PDA may have bounding pulses due to increased blood flow through the ductus arteriosus.

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Correct Answer is B

Explanation

A. Applying suction for 20 seconds:

Suctioning for 20 seconds is within the recommended duration for endotracheal suctioning in children. It allows adequate time for removing secretions without causing excessive trauma to the airway.

B. Introducing the catheter without suction:

This action is incorrect. When performing endotracheal suctioning, the catheter should be introduced into the endotracheal tube while applying suction. Introducing the catheter without suction may not effectively remove secretions and can lead to ineffective suctioning.

C. Rotating the catheter between the thumb and forefinger while suctioning:

Rotating the catheter between the thumb and forefinger while suctioning helps to prevent the catheter from sticking to the airway walls and facilitates the removal of secretions. This action is appropriate and helps ensure effective suctioning.

D. Allowing the child to rest for 30 to 60 seconds between suctioning passes:

Allowing the child to rest between suctioning passes helps minimize hypoxia and discomfort during the procedure. This action is appropriate and ensures that the child has adequate time to recover before the next suctioning pass.

A. Decreased stridor B. Increased restlessness C. Decreased heart rate D. Decreased temperature

Correct Answer is B

Explanation

A. Decreased stridor: Stridor is a high-pitched, noisy breathing sound caused by turbulent airflow through a narrowed or partially obstructed airway. In laryngotracheobronchitis, stridor is often present and may worsen with increasing airway obstruction. Therefore, decreased stridor would not be a typical finding associated with airway obstruction in this condition.

B. Increased restlessness: Increased restlessness can be a sign of worsening respiratory distress and impending airway obstruction. As the child struggles to breathe, they may become increasingly agitated and restless, indicating the need for prompt intervention to ensure adequate oxygenation.

C. Decreased heart rate: Decreased heart rate (bradycardia) is not typically associated with airway obstruction in laryngotracheobronchitis. In fact, the heart rate may increase as a compensatory response to hypoxia and respiratory distress.

D. Decreased temperature: Changes in temperature are not typically associated with airway obstruction in laryngotracheobronchitis. The focus of monitoring in this condition is primarily on respiratory distress and signs of worsening airway obstruction.

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A nurse is collecting data from an infant a large patent ductus arteriosus. Which of the following is clinical manifestations should the nurse expect?

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Naxlex Comprehensive Predictor Exams

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