Pre renal cause of AKI

Question 1

What is the pathophysiology of pre renal AKI? (3)

Answer 1

1. volume depletion
2. Impaired renal perfusion
3. reduced glomerular capillary filtration pressure

Question 2

4 main pathology of pre renal AKI (4)

Answer 2

1. reduction in vascular volume
2. reduction in cardiac output
3. systemic vasodilation
4. renal vasoconstriction

Question 3

Causes of reduction in vascular volume (4)

Answer 3

1. Haemorrhage
2. D and V
3. Burns
4. Pancreatitis

Question 4

Causes of reduction in cardiac output (2)

Answer 4

1. Cardiogenic shock

2. MI

Question 5

Causes of systemic vasodilation (2)

Answer 5

1. Sepsis

2. Drugs

Question 6

Causes of renal vasoconstriction (4)

Answer 6

1. Ace inhibitors
2. ARB
3. NSAIDs
4. Hepatorenal syndrome