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Flashcards in Acute Kidney Injury Deck (16):
1

What is AKI defined as?

increase in srum creatinine by 50% or an absolute increase
OR
Reduction in urine output

2

Prerenal causes of AKI?

hypovolaemia
hypotension
renal hypoperfusion

3

Which drugs may cause renal hypoperfusion?

Ace Is
NSAIDs
Cox-2

4

What is oliguria?

less than normal urine output

5

What can pre renal AKI develop into if left untreated?

Acute Tubular Necrosis

6

What is the commonest form of AKI?

acute tubular necrosis

7

What can cause acute tubular necrosis?

sepsis
severe dehydration
rhabdomyolysis

8

What should you NOT use for treating hypovolaemia in pre renal AKI?

5% dextrose

9

Give 4 main causes of renal AKI.

-Vascular
-Glomerular
-Interstitial Nephritis (drugs, TB, sarcoid)
-Tubular Injury

10

Signs of renal AKI?

itch, D and V, haemoptysis, sore throat, vascular bruits

11

What are causes of post renal AKI?

obstruction (stones, strictures, cancer)

12

What does post renal AKI look like on CT or US?

dilated renal pelvis

13

How do you treat post renal AKI?

relieve obstruction with catheter/nephrostomy

14

What can hyperkalaemia cause?

muscle weakness
cardiac arrhythmias

15

What should be given to prevent cardiac arrhythmias in patients witih K+++

calcium gluconate

16

Does dialysis alter the course of AKI?

no, just clears toxins