beriberi A deficiency disease caused by lack of thiamine (vitamin B1); it may occur in malnutrition, alcoholism, or as an isolated deficiency. Neuritis leading to sensory changes, and foot or wrist drop, palpitations, edema, and heart failure are features. Related category HEALTH AND DISEASE Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |