Ms. Lo Han is a 32 year old female day care worker presents…

Ms. Lo Han is a 32 year old female day care worker presents to the ED with signs and symptoms of a bacterial pneumonia. She is tachycardic, tachypnic, slightly hypertensive and with an SpO2 of 90% on 2 L/NC and states that she has had a runny nose and wet non-productive cough for the past 12 hours. Upon auscultation, wheezes and diminished breath sounds are noted over the RLL. A sputum sample and a breathing treatment has been requested by the physician. Based on this information, which of the following would most likely be the cause of her hypoxemia?

A patient with no history of underlying lung disease present…

A patient with no history of underlying lung disease presents in the ED with dyspnea and productive cough. Pneumonia is diagnosed based on physical exam and radiographic findings. The patient is tachypnic and tachycardic but still alert and cooperative in spite of his distress. If a room air ABG sample was obtained, which result would fit this case description?