A nurse is assessing a 58-year-old male patient admitted with chest pain. Which assessment finding would be most indicative of coronary artery disease?

Chest pain that worsens with exertion and improves with rest is classic for stable angina, indicating coronary artery disease. Other options describe atypical chest pain not specific to CAD.

Core Nursing Explanation Key Concept Analysis: This question tests your ability to recognize the classic symptom of stable angina pectoris, which is the hallmark manifestation of Coronary Artery Disease (CAD). The underlying pathophysiology is myocardial ischemia – an imbalance between the oxygen supply to the heart muscle and the heart's demand for oxygen. When atherosclerotic plaques narrow the coronary arteries, blood flow is restricted. During exertion, the heart's demand for oxygen increases, but the narrowed arteries cannot deliver enough oxygen-rich blood, causing ischemic pain. Rest reduces the heart's workload and oxygen demand, relieving the pain.

Answer Rationale: Key Point! Chest pain that is provoked by exertion or emotional stress and relieved by rest or nitroglycerin is the defining characteristic of stable angina. This predictable pattern directly links the symptom to increased cardiac workload and insufficient coronary blood flow, making it the most indicative finding of underlying CAD.

Distractor Analysis:
Watch out for confusion! Option ② describes "Sharp, stabbing pain that changes with position." This is more characteristic of pleuritic or musculoskeletal pain (e.g., costochondritis, pericarditis). Cardiac ischemic pain is typically described as pressure, tightness, heaviness, or squeezing—not sharp and positional.
Option ③, "Continuous burning sensation in the epigastric area," points toward gastroesophageal reflux disease (GERD) or peptic ulcer disease. While "indigestion" can be an atypical symptom of a heart attack, especially in women, a continuous burning localized to the epigastrium without a relationship to exertion is not the *most indicative* finding of CAD.
Option ④, "Intermittent palpitations without chest discomfort," suggests a primary cardiac dysrhythmia. While arrhythmias can be a complication of CAD, palpitations alone are not a specific indicator of coronary artery blockage.

Related Concepts: It's crucial to differentiate stable angina from unstable angina and myocardial infarction (MI). Unstable angina is chest pain that occurs at rest, is new in onset, or has a crescendo pattern (more frequent, severe, or prolonged). An MI involves actual death of heart muscle cells. The nursing assessment must also include associated symptoms like dyspnea, diaphoresis, nausea, and radiation of pain to the jaw, neck, back, or left arm.

Nursing Clinical Practice Guide Clinical Scenario: You are the nurse in an emergency department. Mr. Johnson, a 58-year-old with a history of hypertension and smoking, presents saying, "I get this heavy feeling in my chest when I walk up the hill to my house. It goes away if I stop and sit for a few minutes."

Nursing Intervention Strategy:

1. Immediate Assessment (ABCs): Assess airway, breathing, and circulation. Obtain vital signs, noting blood pressure and heart rate. Apply oxygen via nasal cannula if SpO2 is low or the patient is in distress.
2. Focused Pain Assessment: Use the PQRST mnemonic: Provocation/Palliation (What brings it on? What relieves it?), Quality (Describe the pain), Radiation (Does it spread?), Severity (On a scale of 1-10), Time (When did it start? How long does it last?). Document the exact description.
3. Initial Interventions: Place the patient on a cardiac monitor. Obtain a 12-lead ECG (Electrocardiogram) immediately. Establish IV access. Administer prescribed sublingual nitroglycerin (NTG) and assess pain relief. NTG works by vasodilation, reducing preload and afterload, and dilating coronary arteries.
4. Ongoing Monitoring & Education: Monitor for changes in pain pattern or the development of unstable symptoms. Educate the patient on the meaning of his symptoms, the importance of avoiding triggers, and when to seek immediate help (e.g., pain not relieved by rest or 3 doses of NTG).

Patient Safety and Precautions: When administering nitroglycerin, have the patient sit or lie down to prevent orthostatic hypotension. Monitor blood pressure closely. NTG is contraindicated if the patient has taken phosphodiesterase inhibitors (e.g., sildenafil/Viagra) within the last 24-48 hours due to the risk of severe, life-threatening hypotension.

Nursing Procedure & Medication Flow Administering Sublingual Nitroglycerin for Angina:

1. Verify the "5 Rights" of medication administration.
2. Instruct the patient to sit down.
3. Place one tablet under the tongue or use the spray form.
4. Instruct the patient not to swallow immediately but to let the tablet dissolve.
5. Assess pain level after 5 minutes.
6. If pain persists, a second dose may be given after 5 minutes (per protocol/order).
7. If pain is unrelieved after a total of 3 doses, activate emergency protocols (e.g., call a rapid response, prepare for possible MI).

A Word from Your Senior Nurse "In the real world, patients rarely use the textbook term 'angina.' They might say 'tightness,' 'gas,' 'toothache,' or just 'discomfort.' Your job is to be a detective. Connect their story to the physiology. Exertion = increased O2 demand. Rest = decreased demand = relief. That pattern is a huge red flag for CAD. Never dismiss it. Your thorough assessment and accurate documentation are the first critical steps in getting your patient the life-saving interventions they might need."