The dispatcher sends an ambulance to respond to a patient reporting severe shortness of breath and a low oxygen saturation. The EMT begins to administer oxygen at 10​ lpm, and the paramedic stops this action. Which information in the​ patient's medical history would preclude the EMT from administering oxygen at this​ level?

A. Carbon monoxide​ (CO) poisoning
B. Chronic obstructive pulmonary disease​ (COPD)
C. Congestive heart failure​ (CHF)
D. Small cell cancer of the lung
B. Chronic obstructive pulmonary disease​ (COPD)


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