George kent is a 54 year old widower with a history of chronic obstructive pulmonary disease and was rushed to the emergency department with increasing shortness of breath, pyrexia, and a productive cough with yellow-green sputum. he has difficulty in communicating because of his inability to complete a sentence. one of his sons, jacob, says he has been unwell for three days. upon examination, crackles and wheezes can be heard in the lower lobes; he has a tachycardia and a bounding pulse. measurement of arterial blood gas shows ph 7.3, paco2 68 mm hg, hco3 28 mmol/l, and pao2 60 mm hg. how would you interpret this?

The patient has a pulmonar infection.

Explanation:

The values of the blood gas indicates respiratory acidosis (high PaC02, low Pa02 aparenttly compensed). The tachicardia is dued to the respiratory insufficiency and the fever. Since the patient´s son is not feeling well either, and taking into the account that crackles and wheezes can be heard in the lower lobes, the most likely for this person has a pulmonar infection, probably he contracted pneumonia

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