Thirsty dog CR Flashcards
1
Q
What are the common causes of PU/PD and why do they cause it?
A
Kidney disease - poor filtering so cannot reabsorb much
Diabetes insipidus - resistance to ADH or reduced ADH secretion
Diabetes mellitus - more glucose in filtrate so water stays in filtrate
Cushings -inhibition of ADH
Addisons - low aldosterone needed for RAAS - loss of conc gradient in medulla
Hypercalcaemia - association with decreased inner medullary tissue solute content
2
Q
Describe osmotic diuresis
A
3
Q
Why are UTIs common in dogs with diabetes mellitus?
A
Urine is more dilute => allows more bacterial growth as chemicals have been diluted
Urine contains sugars which attracts bacteria and help facilitate bacteria growth
