Nephrogenic Diabetes Insipidus – Board-Style Questions

What this deck covers

Nephrogenic Diabetes Insipidus in 18 board-style clinical cases with worked explanations. Each case gives you a clinical vignette, four options, the correct answer, and an explanation of why each of the other three is wrong, with the guideline or textbook it follows named on the answer.

Board-style teaching questions for paediatricians and trainees preparing for paediatric board, MRCPCH and licensing examinations. Written from published guidelines and standard paediatric textbooks, with the source named on every answer.

The 18 cases, in order

1. Fevers with no focus
2. Falling off the chart
3. The first test
4. Bringing the sodium down
5. The mother who drinks a lot
6. Which gene, which family
7. Adding to the thiazide
8. What low solute means
9. The bladder that stretched
10. Nil by mouth
11. A phone call at teatime
12. The child who cannot ask
13. Looking back at infancy
14. The long school day
15. Mislabelled
16. Not born with it
17. Keeping track
18. The years ahead

Diagnoses and management options tested

Across the 18 cases you are asked to choose between options such as: Whether his nappies stay soaked while he is dehydrated, Reflux with vomiting, which is common at this age, Paired serum and urine osmolality on the current samples, As fast as possible, aiming for a normal sodium today, An unrelated habit of drinking formed in childhood, The treatment, which differs entirely between the genes, Amiloride, which reduces urine volume and spares potassium, Removing all dairy products from his diet completely, Posterior urethral valves that have been missed until today, No modification, as the standard fasting rule applies, Bring him in now, as he cannot replace his losses, Teaching him to recognise and report his own thirst, No lasting effect at all, as each episode was fully corrected, A fixed drinks break at the start of every lesson.

Clinical pearls from this deck

• A dehydrated baby with wet nappies is telling you something.
• He is too busy drinking water to take in calories.
• A hypernatraemic baby with dilute urine has tested himself already.
• Bring a high sodium down slowly, or the brain swells.
• A carrier mother may be thirsty for a reason.
• The gene does not change the tablets; it changes the family tree.

Work through the deck once for recognition, then again a week later to test yourself — each question gives the answer and explains why every other option fails.

More from this system: all nephrology case decks · pediatric reference values.