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thiamin deficiencyA vitamin deficiency characterised by malnutrition, softened bones and mental depression, due to an absence of dietary thiamin. The clinical disease, beri-beri, is divided into a “wet” form, which causes congestive heart failure, and a “dry” form, which causes neurologic disease in the form of peripheral neuropathy and Wernicke-Korsakoff syndrome.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
beri-beriNutrition A disease caused by deficiency of thiamine–vitamin B1, which affects the heart–cardiac dilatation, fatty degeneration, peripheral nerves—myelinolysis and axonal degeneration, subcutaneous tissues–edema and vascular congestion and serosal linings–effusions Clinical Fatigue, apathy, irritability, depression, muscular atrophy, paresthesias, abdominal pain and if extreme, ↑ intracranial pressure and coma. See Shoshin beri-beri.
- Dry beri-beri
- Affects central and peripheral nervous systems Clinical, childrenPlethoric with pallor, hoarseness due to nerve paralysis, apathy, dyspnea, tachycardia, hepatomegaly
- Wet beri-beri
- More cardiocentric Clinical The afflicted children are malnourished with pallor, edema, tachycardia, dyspnea, renal failure, right-sided cardiac failure Treatment Thiamine-rich foods, eg milk, vegetables, cereals, fruits
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
beri-beriA deficiency disease caused by inadequate intake of vitamin B1 (Thiamine) and featuring widespread nerve degeneration with damage to the brain, spinal cord and heart. There is severe fatigue, loss of memory, irritability, insomnia, burning pain in the feet, foot drop, confusion and paralysis. In ‘wet’ there is damage to the heart muscle and widespread fluid retention in the tissues (OEDEMA).
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
beri-beria human disease caused by vitamin B1 (THIAMINE) deficiency in which affected individuals suffer from wasting of muscles, paralysis, mental confusion and sometimes heart failure.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005