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JAMA. 1922;79(16):1349-1350. doi:10.1001/jama.1922.02640160069029.
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Cardiac Neuroses

At a recent meeting of the Royal Medical Society, Dr. Hasenfeld suggested that functional disorders of the heart be classified as: (a) nervous weakness, synonyms for which are neurasthenia cordis and irritable heart (reizbares Herz); (b) cardiac palpitation; (c) pseudo-angina, also called sthenocardia and neuralgia of the cardiac plexus, and (d) abnormalities in rhythm: tachycardia, bradycardia and arrhythmia. Each of these symptoms may be secondary to organic disease of the heart, or to some nervous disease, generally functional. Frequently, however, any one of these symptoms may be the primary and sole disease. It is to such cases alone that the designation "cardiac neurosis" is properly applicable. Gerhardt (of Germany) states that more than half the patients who consult him for cardiac trouble suffer from disorders of innervation and have no valvular disease.

The differentiation between functional and organic disease is usually easy. It may be difficult in cases


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