A 75-Year-Old Man with a Long History of COPD Is

question 11

Multiple Choice

A 75-year-old man with a long history of COPD is brought to the emergency department with shortness of breath.He has a persistent,productive cough with green purulent sputum,cyanosis of the lips and extremities,and is uncooperative.His arterial blood gas values on 2 L/min by nasal cannula are: pH = 7.25;PaCO₂ = 90 mm Hg;PaO₂ = 38 mm Hg;SaO₂ = 59%;HCO₃^- = 38 mEq/L.The most appropriate action at this time is which of the following?

• A) IPPB
• B) Mask CPAP
• C) NPPV via full face mask
• D) Invasive mechanical ventilation

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Definitions:

Chess and Thomas

Refers to Stella Chess and Alexander Thomas, developmental psychologists known for their research on temperament in children.

Goodness of Fit

A concept in psychology that explains how well an individual's temperament matches with their environment, affecting their development and behavior.

Temperament

The inherent part of an individual's personality, including aspects of their character and emotional responses.

Environmental Demands

refer to the pressures and requirements placed on an individual or organism by their surroundings, including social, physical, and biological factors.