A 48-year-old man with severe shortness of breath.

A 48-year-old man was found by his neighbor unconscious on the floor at his residence. Earlier in the day, his neighbor reported noticing the patient was becoming more short of breath and having some trouble speaking. The neighbor alerted EMS. Upon EMS arrival, the patient was tachypneic with a room air O2 saturation in the 60s. A LifeFlight helicopter responded to transfer this patient to a tertiary care center from his home in a rural farming community.