Beriberi
Nutrition
Carbohydrates, fat and protein
Nutritional disorders
Excess Vitamin A
Excess Vitamin D
Vitamin D deficiency
Vitamin K deficiency
Kwashiorkor
Marasmus
Iodine deficiency
Zinc deficiency
Beriberi
Folate (Vitamin B9) deficiency
Niacin (Vitamin B3) deficiency
Vitamin B12 deficiency
Vitamin C deficiency
Wernicke-Korsakoff syndrome
Fat-soluble vitamin deficiency and toxicity: Pathology review
Water-soluble vitamin deficiency and toxicity: B1-B7: Pathology review
Water-soluble vitamin deficiency and toxicity: B9, B12 and vitamin C: Pathology review
Zinc deficiency and protein-energy malnutrition: Pathology review
Summary
Beriberi is a disease caused by a deficiency of thiamine (vitamin B1). This can be due to reduced intake, or a problem with thiamine absorption. Beriberi can exist as wet beriberi, which is when it mainly affects the cardiovascular system causing high-output heart failure with symptoms like dyspnea, and peripheral edema. There can also be dry beriberi, causing symptoms like wasting, and paralysis due to nerve damage. Dry beriberi usually presents with peripheral neuropathy, confusion, and nystagmus (involuntary eye movements).