General Flashcards
What is urinary nitrite?
Gram-negative bacteria convert urinary nitrate to nitrite. Positive testing indicates bacteriuria although a negative result does not exclude it
What is the significance of proteinuria?
Orthostatic proteinuria disappears on lying down and is a normal finding in healthy young adults
More than 2g/day suggests renal glomerular disease
What is the significance of glycosuria?
It usually denotes the presence of diabetes. Small amounts may be excreted by the normal kidney (renal glycosuria)
What is the normal pH of urine?
Between 4.5 and 8.0
What is the significance of cloudy urine?
Cloudy fresh urine is usually so due to the presence of pus (pyuria) which can indicate infection
What percentage of patients with a temperature will have an infectious cause?
80%