A 66-year-old female with a history of hypertension and diabetes presents with substernal chest pressure of 2 hours' duration. Her blood pressure is 140/90 mm Hg, her pulse is 100 beats/min and irregular, and her respirations are 22 breaths/min with adequate depth. The patient does not have prescribed nitroglycerin, but her husband does. You should:
A. administer oxygen, give her 324 mg aspirin, and assess her further.
B. obtain a SAMPLE history and contact medical control for advice.
C. give her 100% oxygen, attach the AED, and transport immediately.
D. give her one nitroglycerin and reassess her systolic blood pressure.
Answer: A. administer oxygen, give her 324 mg aspirin, and assess her further.
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