Management of Wernicke's disease and Beriberi involves administration of?

JODHPUR AIIMS SNO-2018

Applied Nutrition & Dietetics

Easy

Appeared in: JODHPUR AIIMS SNO-2018

Explanation

Wernicke's disease (specifically Wernicke's encephalopathy) and Beriberi are distinct clinical presentations resulting from a severe deficiency of thiamine (vitamin B1).
Thiamine is a crucial coenzyme in carbohydrate metabolism, and its absence impairs cellular energy production, affecting the nervous system and heart most significantly.
Wernicke's encephalopathy is an acute neurological emergency presenting with confusion, ataxia, and ophthalmoplegia, commonly associated with alcohol abuse.
Beriberi affects the cardiovascular system ('wet' beriberi) leading to heart failure, or the peripheral nervous system ('dry' beriberi) causing neuropathy.
The definitive and urgent treatment for both conditions is the administration of thiamine to correct the deficiency and prevent permanent neurological damage or death.

Option A: Iodine is a trace element, not a vitamin. Its primary role is in the synthesis of thyroid hormones (T3 and T4).
Option B: Vitamin A (retinol) is a fat-soluble vitamin essential for vision, immune function, and epithelial cell differentiation.
Option C: Vitamin C (ascorbic acid) is a water-soluble vitamin and antioxidant required for collagen synthesis and wound healing.

Clinical Relevance

Nursing practice connection: Knowing Treatment for Thiamine (Vitamin B1) deficiency disorders helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Nurses must maintain a high index of suspicion for thiamine deficiency in at-risk patients, particularly those with chronic alcohol use disorder, malnutrition, or post-bariatric surgery, as prompt thiamine administration can be life-saving.
A critical nursing safety principle is to administer thiamine before giving glucose-containing IV fluids to a patient with suspected deficiency. Giving glucose first can precipitate or worsen Wernicke's encephalopathy by rapidly depleting the remaining thiamine stores needed for glucose metabolism.
What if? If a confused patient with a history of alcohol abuse is given an IV bag of D5W (5% dextrose in water) before thiamine, their neurological status could acutely decline, leading to irreversible brain damage (Korsakoff psychosis). The correct sequence is always thiamine first, then glucose.

How to Approach the Question

First, identify the key terms in the question: 'Wernicke's disease' and 'Beriberi'. Recognize these as specific medical conditions.
Access your knowledge base to recall the underlying cause of these two distinct syndromes. Both are classic examples of a specific nutrient deficiency.
Systematically evaluate the options provided. Link each vitamin or mineral to its primary function and the disease caused by its deficiency.
Iodine is linked to thyroid function (goiter). Vitamin A is linked to vision (night blindness). Vitamin C is linked to collagen (scurvy).
Thiamine (Vitamin B1) is essential for energy metabolism, and its deficiency is known to cause the neurological and cardiovascular symptoms seen in Wernicke's disease and Beriberi.
Conclude that since both conditions stem from thiamine deficiency, thiamine administration is the correct management strategy.

Concept Tested & Keywords

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E6 Medicine Harrison 22e Part 2 p. 511-513

E6 Medicine Davidson Principles Practice 24e p. 734-736

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