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Clinical Presentation: Symptoms of Coronary Artery Disease
- Angina Pectoris: Substernal retrosternal pressure, squeezing, fullness, or burning discomfort typically brought on by physical exertion or emotional stress and relieved by rest or sublingual nitroglycerin.
- Referred Radiation: Discomfort radiating to the left shoulder, inner aspect of the left or both arms, neck, jaw, epigastrium, or interscapular region.
- Anginal Equivalents: Dyspnea (shortness of breath) on exertion, unexplained diaphoresis, lightheadedness, or extreme fatigue, seen more commonly in women, elderly individuals, and diabetic patients.
- Acute Coronary Syndrome (ACS / STEMI) Red Flags: Crushing, unremitting chest pain lasting >15–20 minutes at rest, accompanied by profuse cold sweats, nausea, vomiting, dizziness, or syncope.
EMERGENCY PROTOCOL: Severe, prolonged retrosternal chest discomfort or acute breathlessness constitutes a life-threatening medical emergency. Do not attempt to drive yourself. Call local emergency services (108 / 112 in India) or proceed immediately to the nearest emergency room equipped with a 24/7 cardiac cath lab.
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