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Flashcards in PU/PD Deck (22)
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1

In most cases is the primary disorder causing the PU or the PD?

PU

2

What are conditions in which PD causes PU?

Psychogenic PD and PD 2* to hyperthermia

3

Increase from normal water consumption

Polydipsia

4

Increase from normal urine output

Polyuria

5

What is normal water consumption in dogs and cats?

50-60mL/kg/day

6

What measurement defines polydipsia?

>100mL/kg/day

7

What measurement defines polyuria?

>50mL/kg/day

8

If a PU/PD case is polyphagic, what are your top ddx?

DM, hyperadrenocorticism, hyperthyroidism

9

If a PU/PD case also has weight loss, what are the most common ddx?

Renal/hepatic failure, neoplasia, DM, hyperthyroidism

10

If you have skin/coat changes along with PU/PD what are your top ddx?

Hyperadrenocorticism (dog) and hyperthyroidism (cat)

11

If you have vulvar discharge along with PU/PD what is your top ddx?

Pyometra

12

If you have a rectal mass along with PU/PD what is your top ddx?

Anal sac carcinoma

13

If you have bilateral cataracts in a dog w/PU/PD what is your top ddx?

Diabetes mellitus

14

If you have lymphadenopathy in a PU/PD case what is your top ddx?

Lymphoma (or other neoplasia)

15

What is the main diagnostic test that can provide a lot of information in helping rule in or out causes of PU/PD?

Minimum database (CBC, chem)

16

Specific gravity of _____ should only be seen in PU/PD animals w/marked glucosuria

>1.035

17

What makes renal insufficiency a less likely ddx of PU/PD?

Hyposthenuria (USG <1.008)

18

What does glucosuria suggest?

DM or primary renal glucosuria

19

What endocrine cause of PU/PD is very difficult to rule out?

Hyperadrenocorticism

20

How do you assess for diabetes insipidus?

DDAVP trial (may take a few weeks to work d/t medullary washout)

21

How do you rule out psychogenic polydipsia?

Water deprivation test (debatably unethical)

22

How do you ddx psychogenic polydipsia with a water deprivation test?

Withhold water, if animal can concentrate urine (>1.030), dx is psych. PD