You are in the first-aid area assisting a patient who just arrived with chest pain. He relates a history of angina that usually resolves with nitroglycerin. The patient states that the pain started when he was skiing through the bumps. Over the last 20 minutes, he has taken three nitroglycerin tablets and rested, but the pain has not gone away. Your next action would be to:
a. try one more nitroglycerin tablet because nitroglycerin usually relieves his pain.
b. attach an AED in case he goes into cardiac arrest.
c. place him on high-flow oxygen.
d. check his blood pressure because he has taken three nitroglycerin tablets.
Answer: c
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