poliuria
The polyuria (Greek πολυουρία, poliuría, “a lot of urine”) is the medical term for an abnormally increased urinary excretion (significantly more than 2 liters in 24 hours).
contents
1 Causes
2 Symptoms
3 Diagnostics
4 Differential Diagnosis
Causes
Diabetes mellitus: In a poorly controlled diabetes mellitus or possibly undetected because it is a so-called osmotic diuresis with polyuria to excretion of glucose (glucosuria)
Polyurische phase after acute renal failure
Renal and central diabetes insipidus
Medications (diuretics)
Alcohol (centrally inhibits the ADH secretion)
possibly in chronic renal failure with Isosthenurie
Nocturia (nocturnal polyuria) in heart failure (Ödemausschwemmung)
Bartter’s syndrome
Conn’s syndrome
Symptoms
As a rule, in addition to the increased urinary excretion (more than 2 liters in 24 hours) also came by way of increased thirst (polydipsia) to compensate for fluid losses. Often there is still a so-called dehydration (drying out).
Diagnostics
Search for the above underlying diseases
blood sugar
Electrolytes is important to check the electrolyte, since it at a loss to polyuria especially of sodium, potassium and calcium may
Drug and alcohol history
hematocrit
creatinine
Urine and Blutosmolarität
Differential diagnosis
In psychogenic polydipsia patients drink because of a mental illness too much. Of course, secondarily, the amount of urine increased. When pollakiuria the urinary frequency without changing the Gesamtharnmenge is increased.
Tags: polyuria