DL: Case studies of renal dysfunction

Question 1

T/F: primary GIT dz will impact on renal function

Answer 1

True

Question 2

T/F: Large bowel diarrhoea is usually a primary GIT problem

Answer 2

True

Question 3

T/F: melena usually a primary GIT problem

Answer 3

True

Question 4

T/F: renal disease usually causes vomiting, not diarrhoea

Answer 4

True

Question 5

Describe the TP and PCV of young dogs (healthy, generally)

Answer 5

• high PCV

- low TP

Question 6

Is a USG of 1.003 hyposthenuric?

Answer 6

Yes - kidney can dilute urine thus not in renal failure

Question 7

Signs - dehydration on biochem

Answer 7

increased TP in conjunction with high albumin and high globulin

Question 8

Does acidosis –> hyperkalaemia?

Answer 8

Yes - as H+ increases in cells in acidosis, K+ ions diffuse out of cells as they are the most permeable cation. This causes hyperkalaemia.

Question 9

Can a renal problem cause increased amylase?

Answer 9

Yes - because amylase is predominantly excreted by kidneys

Question 10

What you expect (normally) with hypercalcaemia in terms of PTH?

Answer 10

low PTH

Question 11

Can hypercalcaemia be a cause of high liver enzymes?

Answer 11

Yes

Question 12

If biochemically normal but PU/PD, is it likely that the PD is causing the PU?

Answer 12

Yes

Question 13

Purpose - water deprivationt est

Answer 13

determines kidney ability to concentrate urine

Question 14

When is a water deprivation test dangerous?

Answer 14

If lack ADH as can become severely dehydrated and ultimately die if severe dehydrated status not recognised. Use objective criteria to recognise this. Can take a long time (up to 72 hours)

Question 15

What findings would you expect with CDI?

Answer 15

• USG