An 80-year-old man with a long history of poor urinary stream and - TopicsExpress



          

An 80-year-old man with a long history of poor urinary stream and nocturia presented with malaise and vomiting. His plasma creatinine concentration was 1242 μmol/l and his urea 65 mmol/l. Renal ultrasound showed gross bilateral hydronephrosis with thin cortices. A urinary catheter was placed and he passed 7.6 litres of urine over the next 24 hours, during which time he received no supplemental iv fluid. His blood pressure is now 80/50 mmHg, he has no oedema and his neck veins are flat. His serum Na+ is 150 mmol/l and urine osmolality is 198 mOsm/l. Which of the following most accurately describes the hormonal milieu? High ADH, high aldosterone, high renin High ADH, high aldosterone, low renin High ADH, low aldosterone, low renin Low ADH, high aldosterone, high renin Low ADH, low aldosterone, high renin
Posted on: Mon, 04 Aug 2014 12:08:44 +0000

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