The nurse is assessing a patient in the emergency room due to chest pain. To determine whether the patient's pain is due to a myocardial infarction, the nurse should note the pain
• Pain from a myocardial infarction (MI) usually lasts longer than 30 minutes, radiates to the left arm and shoulder, and requires morphine for relief because
• Incorrect: Anginal pain is usually caused by activity or exertion and is relieved with rest or use of nitroglycerin as perfusion is improved with vasodilation.
• Incorrect: Gnawing or burning pain is usually related to a gastrointestinal (GI) disorder. MI chest pain is usually described as pressure, tightness, or squeezing.
• Incorrect: Nausea and vomiting may accompany a myocardial infarction, but can be present with many other disorders.