Arterial Blood Gas

Case 2

A 60 year-old man with amyotrophic lateral sclerosis is brought into clinic by his family who are concerned that he is more somnolent than normal. On further history, they report that he has been having problems with morning headaches and does not feel very refreshed when he wakes up. An arterial blood gas is performed and reveals:

pH 7.37
PCO₂ 57
PO₂ 70
HCO₃- 32

Acid-base status:

Alveolar-arterial oxygen difference:

Explanation for the clinical picture:

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SOM 4th Yr Curriculum CLERKSHIP INFORMATION Introduction / Goals and Objectives Rotations HMC UWMC VAMC Seminars Faculty Only PULMONARY EDUCATION Pulmonary Med Library Arterial Blood Gases Cardiopulmonary Exercise Testing Mechanical Ventilation Pulmonary Function Testing Pleural Effusion Radiology	Arterial Blood Gas Case 2 A 60 year-old man with amyotrophic lateral sclerosis is brought into clinic by his family who are concerned that he is more somnolent than normal. On further history, they report that he has been having problems with morning headaches and does not feel very refreshed when he wakes up. An arterial blood gas is performed and reveals: pH 7.37 PCO₂ 57 PO₂ 70 HCO₃- 32 Acid-base status: Alveolar-arterial oxygen difference: Explanation for the clinical picture: Return to Case Index \| Go to Case 2 answers Top of Page
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