The nurse administers atenolol 50 mg PO bid to a client who has coronary artery disease. The nurse understands that the therapeutic effect of this medication for this client is to:

Choice A reason: Performing a 12-lead electrocardiogram and calling a rapid response is not the first action that the nurse should take. A 12-lead electrocardiogram is a test that measures the electrical activity of the heart and can help diagnose a heart attack or other cardiac problems. ¹ A rapid response is a team of healthcare professionals that can provide immediate care to a client who is experiencing a life-threatening emergency. ² However, these actions are not the priority for a client who has chest pain while brushing their teeth. The nurse should first assess the client's condition and provide comfort measures before performing any tests or calling for help.

Choice B reason: Withholding the client's medications until the healthcare provider arrives is not the first action that the nurse should take. The client's medications may include drugs that can relieve chest pain, such as nitroglycerin, aspirin, or beta-blockers. ³ These drugs can help dilate the blood vessels, prevent blood clots, or reduce the workload of the heart. ³ The nurse should not withhold these medications, as they may help the client's condition and prevent further complications. The nurse should check the client's medication orders and administer them as prescribed.

Choice C reason: Instructing the client to stop the activity and provide a chair is the first action that the nurse should take. Chest pain is a common symptom of coronary artery disease, which is a condition where the arteries that supply blood to the heart become narrowed or blocked by plaque. ⁴ Chest pain can be triggered by physical or emotional stress, such as brushing the teeth, which can increase the heart rate and blood pressure. ⁵ The nurse should instruct the client to stop the activity and provide a chair, as this can help reduce the stress on the heart and ease the chest pain. The nurse should also monitor the client's vital signs and oxygen saturation, and provide oxygen if needed.

Choice D reason: Calling the healthcare provider immediately about the client's complaint is not the first action that the nurse should take. The healthcare provider may need to be notified about the client's condition, especially if the chest pain is severe, persistent, or accompanied by other symptoms, such as shortness of breath, nausea, or sweating. ⁵ However, the nurse should first assess the client's condition and provide comfort measures before calling the healthcare provider. The nurse should also be prepared to initiate emergency protocols if the chest pain does not improve or worsens.

Choice A reason: Taking a baby aspirin with a full glass of cold water at bedtime is not a good discharge instruction for this client. Aspirin can increase the risk of bleeding, especially in the stomach and intestines. ¹ Taking aspirin at bedtime may increase the exposure of the GI mucosa to the drug and worsen the bleeding. ² Cold water may also irritate the stomach lining and cause discomfort.

Choice B reason: Taking 81 mg of enteric coated aspirin with orange juice at lunch time is not a good discharge instruction for this client. Enteric coated aspirin is designed to dissolve in the small intestine, not the stomach, to reduce the risk of GI bleeding. ³ However, orange juice is acidic and may damage the coating and release the aspirin in the stomach. ⁴ This may increase the bleeding and cause pain or ulcers.

Choice C reason: Taking the aspirin with some ginseng tea in the evening is not a good discharge instruction for this client. Ginseng is an herbal supplement that may interact with aspirin and increase the risk of bleeding. ⁵ Taking the aspirin in the evening may also have the same drawbacks as taking it at bedtime, as explained in choice A.

Choice D reason: Taking the aspirin with a glass of milk or food in the morning is the best discharge instruction for this client. Milk and food can help protect the stomach lining from the irritating effects of aspirin and reduce the risk of bleeding. Taking the aspirin in the morning can also minimize the exposure of the GI mucosa to the drug during the night, when the stomach is empty and more vulnerable. ²