vitamin B1 thiamine deficiency
weight loss, emotional disturbances, impaired sensory perception (Wernicke's encephalopathy), weakness and pain in the limbs, and periods of irregular heart rate
. Edema (swelling of bodily tissues) is common. It may increase the amount of lactic acid and pyruvic acid within the blood. In advanced cases, the disease may cause High output cardiac failure and death.
2types wet and dry
Dry beriberi and Wernicke-Korsakoff syndrome
affect the peripheral and central nervous system
Wet beriberi affects the cardiovascular system, as well as other bodily systems.