So hello and welcome to this Small Animal Clinical podcast brought to you from the Royal Veterinary College in London.

My name is Shane and Chassani, and today it's my great pleasure to welcome Dr. Roseanne Jepson.

Rosanne is a diplomats of the American College of Veterinary Internal Medicine

and a lecture in internal medicine at the RBC's Queen Mother

Hospital for Animals. So thanks very much, Rosam, for joining me today.

No problem, Michelle, and it's great to be here.

So, Rosam, today, I would like to discuss a rational approach to the problem of polyurea and polydipsia

in dogs and cats, which I think is a relatively common presenting complaint.

We won't have enough time to go into it in a huge amount of depth,

but what I hope we can do is to provide the listeners with an overview of how we like to think about these cases

and how they might want to go about approaching these cases.

So the first thing I wanted to do is basically to clarify what we mean by

polyurea and polydipsyr. So in other words, does every animal that is urinating and drinking

more than normal have PUPD or are there certain criteria that we need to use to actually define

these abnormalities? Well, I think to start with obviously the exact definition of polyurean, polydipsia,

are an increase in urination and an increase in thirst.

And I think we have to have some kind of decision-making process

in when we're going to investigate them as actual clinical

problems. In terms of whether there are specific criteria, then I guess yes, in terms of textbook

definitions, we'll see it commonly stated that an animal is polydipsic if they're drinking

more than 2 mils per kilo per hour or a total of greater than 100

mils per kilo per day and so those I guess are the sort of finite definitions that we use

...