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Renal > PU/PD > Flashcards

PU/PD Flashcards

1
Q

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

A

PU

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2
Q

What are conditions in which PD causes PU?

A

Psychogenic PD and PD 2* to hyperthermia

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3
Q

Increase from normal water consumption

A

Polydipsia

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4
Q

Increase from normal urine output

A

Polyuria

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5
Q

What is normal water consumption in dogs and cats?

A

50-60mL/kg/day

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6
Q

What measurement defines polydipsia?

A

> 100mL/kg/day

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7
Q

What measurement defines polyuria?

A

> 50mL/kg/day

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8
Q

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

A

DM, hyperadrenocorticism, hyperthyroidism

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9
Q

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

A

Renal/hepatic failure, neoplasia, DM, hyperthyroidism

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10
Q

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

A

Hyperadrenocorticism (dog) and hyperthyroidism (cat)

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11
Q

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

A

Pyometra

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12
Q

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

A

Anal sac carcinoma

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13
Q

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

A

Diabetes mellitus

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14
Q

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

A

Lymphoma (or other neoplasia)

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15
Q

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

A

Minimum database (CBC, chem)

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16
Q

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

A

> 1.035

17
Q

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

A

Hyposthenuria (USG <1.008)

18
Q

What does glucosuria suggest?

A

DM or primary renal glucosuria

19
Q

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

A

Hyperadrenocorticism

20
Q

How do you assess for diabetes insipidus?

A

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

21
Q

How do you rule out psychogenic polydipsia?

A

Water deprivation test (debatably unethical)

22
Q

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

A

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

Renal (10 decks)

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