A 33 year old lady presents with polydipsia and polyuria. Her symptoms staed soon after a road traffic accident 6 months ago. The blood pressure is 120/80mm Hg with no postural drop. The daily Na 130mEq/L, K 3.5 mEq/L, urea 15 mg/dL, sugar 65 mg/dL. The plasma osmolality is 268 mosmol/L and urine osmolality 45 mosmol/L. The most likely diagnosis is:
Correct Answer: Psychogenic polydipsia
Description: Answer is D (Psychogenic Polydipsia): Association of decreased urinary osmolality with decreased plasma osmolality along with reduced serum sodium suggests the diagnosis of Primary Polydipsia.
Category:
Medicine
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now