Overview
Introduction
Angina pectoris = chest pain from myocardial ischemia when oxygen demand exceeds supply | Feature | Stable Angina | Unstable Angina (ACS) | |---|---|---| | Pattern | Predictable; precipitated by exertion | Unpredictable; at rest or minimal exertion | | Duration | <15 minutes | >20 minutes or not relieved by NTG | | Relief | Rest, nitroglycerin | Does NOT resolve with NTG + rest | | Troponin | Normal | Elevated (NSTEMI) | | Risk | Stable | MEDICAL EMERGENCY — potential MI | Typical angina symptoms: - Pressure, squeezing, tightness, heaviness in substernal chest - Radiation: left arm, jaw, neck, shoulder, back - Diaphoresis, nausea, shortness of breath - Women, diabetics, elderly: atypical presentation — fatigue, indigestion, jaw pain, dyspnea without chest pain For NCLEX-PN (United States), items rarely announce the topic in the first sentence. Anchor to objective data, trajectory, and the safest next step for the role named in the stem before distractors compete. On the exam, writers often pair stable-sounding options with unstable data—notice the mismatch before you commit. If the stem names a...
