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Daily quiz
2025/11/16
On November 16, the quiz focuses on how the second heart sound (S2) changes between inspiration and expiration. By listening to the actual sounds, you will gain a clear understanding of the mechanism of physiological S2 splitting. (November 16, 2025)
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Daily quiz
2025/11/12
On November 12, the case features croup, characterized by a barking cough resembling a dog’s bark and a high-pitched inspiratory wheeze (stridor). You will listen to the respiratory sounds caused by upper airway obstruction and answer the quiz. (November 12, 2025)
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Daily quiz
2025/11/11
On November 11, the case features a patient with dyspnea on exertion and easy fatigability. A high-pitched holosystolic murmur is heard throughout systole at the cardiac apex, and the murmur radiates toward the left axilla. (November 11, 2025)
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Daily quiz
2025/11/09
On November 9, the case featured a 65-year-old man with exertional dyspnea. A systolic murmur with its point of maximum intensity at the second intercostal space along the right sternal border was heard, and the murmur radiated to the neck. (November 9, 2025)
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