Haematuria Flashcards
What is haematuria?
The presence of blood in the urine
How is non visible haematuria detected?
Urine dipstick
Urine microscopy
What is pseudohaematuria?
Red or brown urine that is not due to haemoglobin
e.g. medication, hyperbilirubinaemia, certain foods (rhubarb)
What are some urological causes of haematuria?
Infections - pyelonephritis, cystitis or prostatitis Malignancies Renal calculi Trauma / recent surgery Radiation cystitis Parasitic - e.g. schistosomiasis
What investigations are done for haematuria?
Urinalysis - dipstick
Bloods - FBCs, U+Es and clotting
- PSA testing may also be done
- Albumin : creatinine ratio
Flexible cystoscopy (lower urinary tract)
Imagine - ultrasound or CT (upper urinary tract)
When is someone with haematuria referred?
Aged >45 with unexplained visible haematuria without UTI
Aged > 45 with visible haematuria that persists or recurs after sucessful treatment of a UTI
Age >60 with unexplained non visible haematuria + either dysuria or raised WCC
Asymptomatic non-visibile haematuria on 2/3 occasions
Or if patient has co-morbidities such as declining GFR
What is the gold standard investigation for assessing the lower urinary tract?
Flexible cystoscopy