The Chief of Services inevitably begins the year's instructions to the new medical students by teaching "a singularly important principle of medicine." He asked a nurse to get him a sample of urine. He then talked at length about diabetes mellitus. "Diabetes," he said, "is a Greek name; but the Romans noticed that the bees like the urine of diabetics, so they added the word mellitus which means sweet as honey. Well, as you know, you may find sugar in the urine of a diabetic..." By now, the nurse had returned with a sample of urine which he promptly held up like a trophy. We stared at that straw colored fluid as if we had never seen such a thing before. Chief of Services then startled us. He dipped his finger into the urine, then licked his finger with the tip of his tongue. Could he detect a faint taste of sugar? The sample was passed on to us for our opinions. We all dipped a finger into the fluid, all of us foolishly licked our fingers. "Now,&quo...
Urine volume; 24-hour urine collection
The normal range is 800 to 2000 milliliters per day (with a normal fluid intake of about 2 liters per day).
Note: Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.
What abnormal results mean
Disorders that cause reduced urine volume include dehydration, inadequate fluid intake, or renal insufficiency or failure.
Some of the conditions that cause increased urine volume include:
Diabetes insipidus - renal
Diabetes insipidus - central
High fluid intake
Some forms of kidney failure
Use of diuretic medications
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