You are asked to assess a 34-year-old homeless man admitted through the ER with an abrupt onset of chills and fever. He has bilateral rhonchi with a productive cough. His SpO2 is 88% on room air. What should you recommend?

A. intubate and provide mechanical ventilation with 40% O2B. institute noninvasive positive pressure ventilation via nasal maskC. provide O2 therapy, give an antibiotic, and obtain sputum for C&SD. implement postural drainage and percussion with directed coughing

20 times a minute is usually the average respritory rate of an adult. additionally the patient is breathing on his own, is clearly maintaining his airway, and is intaking a sufficient amount of air. you shouldn't use a bag valve mask, cpap, or other form of positive pressure ventilation, unless the patient has lost control of his airway, and is not breathing (apneic) or has rapid breathing or slow and shallow respirations. this patient would most likely and should be put on an non-rebreather mask or nrb attached to 100% high flow oxygen at 15 l/min. don't use a nasal cannula, as the amount of oxygen it provides is limited with a rate of 6 l/min.

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