Which patient assessment indicates the most severe respiratory distress?
a. Nasal flaring, symmetrical chest wall expansion, SaO2 88%
b. Abdominal breathing, SaO2 97%
c. Substernal retraction, SaO2 84%
d. Substernal retraction, SaO2 90%
ANS: C
Observe the patient's facial expressions and signs of respiratory distress, such as flaring nostrils, substernal or clavicular retractions, asymmetrical chest wall expansion, and abdominal breathing. The lower the SaO2, the more severe the respiratory distress.
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