You arrive at the office of a 64-year-old, overweight male,…

You arrive at the office of a 64-year-old, overweight male, sweating profusely. Based on your primary and secondary assessment, the patient is complaining of chest pain. B/P 112/78, P 74, R 22. He stops fumbling with his nitroglycerin and seems to want you to help administer it; he has not taken any yet. You should first: