A 30-year-old male presents with acute shortness of breath,…

A 30-year-old male presents with acute shortness of breath, widespread hives, and facial swelling. He denies any past medical history and takes no medications. During your assessment, you hear wheezing over all lung fields. His blood pressure is 90/50 mm Hg and his heart rate is 110 beats/min. In addition to giving him 100% oxygen, the MOST important treatment for this patient is:

You are dispatched to a residence for a 56-year-old male wit…

You are dispatched to a residence for a 56-year-old male with an altered mental status. Upon arrival at the scene, the patient’s wife tells you that he complained of chest pain the day before but would not allow her to call EMS. The patient is semiconscious; has rapid, shallow respirations; and has a thready pulse. You should: