An old patient with dyspnea, is the arterial blood gas analysis normal?




Last update: Thursday, 25 Jun 2015 at 16:22

A 85 years old patient, 1.8 meters tall, 80kg, male, reporting dyspnea on exertion, without smoking history or findings on physical examination, had an arterial blood gas analysis as part of the diagnostic investigation and found the following values:

Xlung Internacional

Source: www.xlung.net

Which of the following disorders is more consistent with the picture above?

a) Mild alveolar hypoventilation
b) Values within the normal range
c) Mild hypoxic respiratory failure
d) Abnormal increase in alveolar-arterial difference



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