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Difficulty: MediumTechniques of Physical Assessment

A clinic nurse is preparing to perform a well-child physical examination on a 9-month-old infant who is currently sleeping calmly in the caregiver's arms. Arrange the following assessment steps in the most appropriate clinical sequence. All options must be used.

  1. 1Observe the infant's overall skin color, resting posture, and respiratory pattern.
  2. 2Auscultate the apical heart rate and bilateral breath sounds.
  3. 3Palpate the anterior fontanel, abdomen, and peripheral pulses.
  4. 4Examine the tympanic membranes with an otoscope and the oral cavity.

Answer

The correct sequence is to progress from the least invasive to the most distressing procedures: observing the infant first, auscultating the heart and lungs while quiet, palpating the body, and finally examining the ears and mouth.
When performing a physical assessment on an infant, the normal adult sequence must be altered to accommodate their developmental stage. The nurse must move from the least invasive to the most invasive procedures to maximize the time the infant is quiet. Observation is done first from a distance. Auscultation of the heart and lungs follows immediately, as these require a quiet child for accurate evaluation. Palpation is performed next because physical touch may agitate the infant. Finally, traumatic or distressing procedures, such as examining the ears, eyes, and mouth, are saved for the very end because they almost always provoke crying, which ruins the opportunity to gather accurate baseline cardiopulmonary data.

Step-by-Step Solution

1
Determine the least invasive assessment technique.
Observation (inspection) of skin color, posture, and breathing pattern requires no physical contact.
Performing visual inspection first prevents waking the infant and altering their baseline clinical state.
2
Determine the next quietest procedure.
Auscultating the heart and lungs should be done second.
Accurate assessment of heart murmurs and breath sounds is impossible if the infant is crying, so it must be done while they are still calm.
3
Sequence the remaining techniques based on invasiveness.
Palpation is performed third, followed by the examination of the ears and mouth.
Looking into the ears and mouth is highly distressing for an infant and will likely cause crying, so it must be deferred until the very end of the examination.

Key Concept

Lifespan Variations in Physical Assessment Sequence
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Topics

Techniques of Physical Assessment

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