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Difficulty: EasyAnte/Intra/Postpartum and Newborn Care

A nurse is preparing to obtain routine vital signs on a 4-hour-old newborn who is currently resting quietly in the bassinet. To obtain the most accurate physiological baseline data, which assessment sequence should the nurse follow?

  1. Assess respirations visually, auscultate the apical heart rate, and then measure the axillary temperature.Answer
  2. B
    Measure the axillary temperature, auscultate the apical heart rate, and then assess respirations visually.
  3. C
    Auscultate the apical heart rate, measure the axillary temperature, and then assess respirations visually.
  4. D
    Measure the axillary temperature, assess respirations visually, and then auscultate the apical heart rate.

Answer

The correct sequence is to first assess respirations visually, then auscultate the apical heart rate, and finally measure the axillary temperature.
In a resting newborn, the nurse must always proceed from the least invasive assessment to the most invasive. Observing respirations visually does not disturb the infant, yielding an accurate baseline. Auscultating the apical heart rate is slightly more stimulating, and measuring the axillary temperature is the most invasive step, which frequently causes crying. If the infant cries during the temperature check, the respiratory and heart rates will artificially increase, making them impossible to measure accurately afterward.

Step-by-Step Solution

1
Evaluate the newborn's current state and the overarching goal of the assessment.
The newborn is resting quietly, meaning the current vital signs will reflect an accurate physiological baseline if the infant remains undisturbed.
Crying or agitation dramatically alters a newborn's respiratory pattern and elevates the heart rate.
2
Determine the level of invasiveness for each vital sign measurement.
Counting respirations is non-invasive (visual inspection). Auscultating the heart is slightly invasive (touching with a stethoscope). Taking an axillary temperature is the most invasive (handling and positioning the infant's arm).
Pediatric assessment principles dictate moving from the least invasive procedure to the most invasive to prevent unnecessary stimulation.
3
Establish the correct assessment sequence based on the invasiveness of the techniques.
The correct order is respirations first, heart rate second, and temperature last.
This sequence ensures that the most sensitive data (respiratory and cardiac rates) are collected before the infant is inevitably disturbed by the placement of the thermometer.

Key Concept

Newborn Physical Assessment Principles
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Topics

Ante/Intra/Postpartum and Newborn Care

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