Acute Urinary Retention

Question 1

is this an emergency?

Answer 1

yes

Question 2

define

Answer 2

inability to urinate with increasing pain

Question 3

what is this a common complication of?

Answer 3

BPH

Question 4

causes

Answer 4

prostate infection
bladder distension
excessive fluids/alcohol
prostatic infarction

Question 5

triggering events

Answer 5

surgery
catheterisation/urethral instrumentation
anaesthesia
medication

Question 6

management

Answer 6

catheter or TWOC

alpha blockers before TWOC

Question 7

when should TWOC?

Answer 7

if <1L and normal electrolytes

Question 8

examples of alpha blockers

Answer 8

tamsulosin

alfuzosin

Question 9

what is the risk once this has been managed?

Answer 9

post-obstruction diuresis

haematuria

Question 10

what increases the risk of post-obstruction diuresis

Answer 10

uraemia
oedema
CCF
hypertension

Question 11

monitoring for post-obstruction diuresis

Answer 11

monitor fluid balance

beware if UO >200ml/hr

Question 12

when does post-obstruction diuresis usually resolve?

Answer 12

24-48 hours

Question 13

severe cases of post-obstruction diuresis management?

Answer 13

fluid

sodium