The nurse is assessing a patient with acute chest pain. Which of the following indicates angina pectoris?
• Angina pectoris is caused by increased oxygen demand and decreased oxygen supply to the heart. With activity, cardiac output and oxygen demand
• Angina is usually self-limiting and often lasts for only 10 or 15 minutes. Pain is usually brought on by activity (such as walking) and ceases after resting.
• Patients may have chest pain related to eating (heartburn) and breathing (pleurisy), but this is generally not related to angina pectoris.