Acute Tubular Necrosis Flashcards
1
Q
What is ATN?
A
Acute tubular necrosis
Necrosis of epithelial cells of renal tubules
2
Q
Is ATN reversible?
A
Yes
3
Q
How long does recovery from ATN take?
A
7-21 days
4
Q
What are the broad causes of ATN?
A
Ischaemia
Toxins
5
Q
What can cause ATN via ischaemia?
A
Shock
Sepsis
Dehydration
6
Q
What can cause ATN via toxins?
A
Contrast dye
Gentamicin
NSAIDs
7
Q
How is suspected ATN investigated?
A
Urinalysis
8
Q
What does urinalysis show in ATN?
A
‘Muddy brown casts’
9
Q
How is ATN managed?
A
Supportive management
IV fluids
Stop nephrotoxic medications