Blocked bladder

Question 1

Are male or female cats more likely to have blocked bladders

Answer 1

Males

Question 2

What can cause a blocked bladder

Answer 2

physical block- uroliths, neoplasia, strictures, inflammation, prostatic disease
Functional- UMN bladder (neuro), spasm of ureter

Question 3

Are dogs or cats more likely to get blocked bladders

Answer 3

cats

Question 4

List the clinical signs of a blocked bladder

Answer 4

pain
non-expressible big bladder

Question 5

what do we have to be worried about in a blocked bladder patient

Answer 5

hyperkalaemia and AKI

Question 6

Describe how to initally treat a blocked bladder

Answer 6

decompress the bladder
pain relief - opiod- methadone
get catheter in
fluids
find underlying cause

Question 7

Describe how to treat hyperkalaemia

Answer 7

fluids
calcium gluconate CRI
glucose, insulin and bicarb

Question 8

why do we give salbutamol to hyperkalaemic patients

Answer 8

to protect the heart

Question 9

what pre-med do we give to blocked bladder patients and why

Answer 9

midazolam as it is not renally excreted and it has no cardiovascular depressive effects

Question 10

List 2 advantages of leaving catheters in blocked patients

Answer 10

prevents re-blocking
able to measure output of urine

Question 11

List 2 disadvantages of leaving catheters in blocked patients

Answer 11

pro-inflammatory - can trigger FIC (feline idiopathic cystitis) later

Question 12

how much fluid can we use when doing retrohydropulsion

Answer 12

10-15ml

Question 13

after unblocking the patient what do we need to do

Answer 13

POCUS, radiographs, urinalysis and C&S to determine cause of blockage

Question 14

why do we put atracuium into the urethra before placing a urinary catheter

Answer 14

it is a muscle relaxant and may help pass the catheter