BENJAMIN KISSIN, M.D.; IRWIN JAFFE, M.D.; PHILIP ROSENBLATT, M.D.; CHARLES S. BYRON, M.D., F.A.C.P.; IRA FREIMAN, M.D.
Psychic fatigue is not a distinct clinical entity but is generally a symptom of some underlying psychiatric condition. The syndromes which result in psychic fatigue include, among others, anxiety states and depressions. There is, however, a large group of patients with psychic fatigue who do not fall easily into any major psychiatric classification. These patients may show elements of anxiety or depression, but their fatigue seems to be out of all proportion to the severity of the more definite symptoms. In the past, this syndrome was labeled "neurasthenia." More recently, the tendency has been to make a more definite diagnosis
KISSIN B, JAFFE I, ROSENBLATT P, BYRON CS, FREIMAN I. STUDIES IN PSYCHIC FATIGUE. I. PHYSIOLOGIC FINDINGS12. Ann Intern Med. ;46:274–284. doi: 10.7326/0003-4819-46-2-274
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Published: Ann Intern Med. 1957;46(2):274-284.
Adrenal Disorders, Endocrine and Metabolism.
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