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Real-world presentations distilled into structured teaching cases. Read the history, weigh the evidence, and pick your next step.
For educational use only — not a substitute for clinical judgment or emergency care.
Substernal chest discomfort described as pressure, radiating to the left arm. Associated shortness of breath, diaphoresis, and mild nausea. No relief with rest.
Sudden onset irregular palpitations with lightheadedness. No chest pain. ECG shows an irregularly irregular rhythm with absent discrete P waves.
Progressive exertional dyspnea, orthopnea, and bilateral leg swelling over 2 weeks. Known prior MI.
Sudden, severe crushing chest pain radiating to the jaw, with diaphoresis and nausea. Pain unrelieved by rest.
Sharp, pleuritic chest pain that worsens with lying flat and improves when leaning forward. No radiation to the arm.
Severe throbbing headache, blurred vision, and confusion. No focal neurological deficits.
Progressive fatigue, lightheadedness, and one episode of near-syncope. No chest pain.
Sudden loss of consciousness while climbing stairs, with brief recovery. No prodrome, no seizure activity reported.