Haematuria Flashcards Preview

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Flashcards in Haematuria Deck (9)
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1
Q

How is haematuria diagnosed?

A

Presence of 5 or more RBCs per high power field in 3/3 consecutive centrifuged specimens obtained at least 1 week apart

2
Q

How much blood to be visible?

A

1ml per 100ml urine

3
Q

Red contaimination of urine

A
Menstrual
Food (beetroot, blackberries, rhubarb)
Mb (rhabdomyolysis)
Drugs (chloroquine, rifampicin, nitrofurantoin)
Toxins (lead/mercury poisoning)
4
Q

Brown contamination of urine

A

Urobilinogen - haemolysis, jaundice, liver dysfunction

Porphyria

5
Q

2 cancers in kidney

A

Renal cell cancer (parenchyma)

Transitional cell caner (collecting system)

6
Q

Sport (jogger’s haematuria)

A

renal/bladder trauma due to contact sports
vasoconstriction of renal vessels (hypoxic nephron damage)
Young, happens every time they run, goes away in a few days

7
Q

Decompression haematuria

A

If bladder drained too quickly after urinary retention - breaks BVs

8
Q

Fresh red blood vs. dark red blood with clots

A

Fresh: new
Dark: old

9
Q

Vermiform clots

A

Wormlike - narrow diameter of ureter = UUT