Hematuria Flashcards
(11 cards)
What test requirements need to be met in order to diagnose hematuria?
- > 3RBC/HPF
- 2x urine analyses with microscopy
- urine collected (10mL min) from midstream, with a clean catch
What are the 3 most common causes of hematuria in the ages of 0-20
- glomerulonephritis
- UTI
- congenital anomalies
What are the 3 most common causes of hematuria in the ages of 20-40
- UTI
- Stones
- Bladder tumour
What are the 3 most common causes of hematuria in the ages of 40-60 (men and women)
men:
1. bladder tumour
2. stones
3. UTI
Women
- UTI
- stones
- Bladder tumour
What are the 3 most common causes of hematuria in the ages of 60+ (men and women)
men:
1. BPH
2. bladder tumour
3. UTI
women:
1. bladder tumour
2. UTI
What additional lab findings should point you in the direction of the hematuria being a glomerular cause?
- proteinuria (>1g/24hr)
- dysmorphic red cells
- red cell casts
- elevated serum creatinine
What are 3 examples of conditions causing hematuria?
- IgA nephropathy (Berger’s disease)
- Thin glomerular basement membrane disease
- Hereditary nephritis (Alport’s syndrome)
what associated features of hematuria make you concerned for malignancy?
large amounts and painless
What are the 5 lab investigations you should consider for the workup of hematuria?
- U/A and culture
- Cytology
- CBC
- Creatinine
- INR/PTT
What is urinary tract U/S good for and what is it not?
Good for: renal tumours, stones in the kidney, and hydronephrosis
Bad for: urethral stones and tumours and and small/flat renal tumours
What is CT IVP good for and what are some cons?
Good for: most sensitive in detecting any GU pathology (tumours and trauma), can do it w/o contrast if necessary.
Cons: expensive, IV contrast reaction, radiation
