Stable angina is predictable, exertional chest discomfort relieved by rest or nitroglycerin within minutes. It reflects fixed coronary stenosis with demand ischemia. Nursing focuses on risk factor modification, medication adherence, and recognizing progression to unstable angina. Connect Stable Angina to bedside cues you will reassess first: vitals trends, work of breathing, perfusion, mentation, and pain or ischemic equivalents when relevant. NCLEX items often reward recognizing when subtle instability outweighs reassurance, then selecting nursing actions that protect airway, circulation, and neurologic status before routine tasks.