Acute Urinary Retention Flashcards Preview

Renal > Acute Urinary Retention > Flashcards

Flashcards in Acute Urinary Retention Deck (13)
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1
Q

is this an emergency?

A

yes

2
Q

define

A

inability to urinate with increasing pain

3
Q

what is this a common complication of?

A

BPH

4
Q

causes

A

prostate infection
bladder distension
excessive fluids/alcohol
prostatic infarction

5
Q

triggering events

A

surgery
catheterisation/urethral instrumentation
anaesthesia
medication

6
Q

management

A

catheter or TWOC

alpha blockers before TWOC

7
Q

when should TWOC?

A

if <1L and normal electrolytes

8
Q

examples of alpha blockers

A

tamsulosin

alfuzosin

9
Q

what is the risk once this has been managed?

A

post-obstruction diuresis

haematuria

10
Q

what increases the risk of post-obstruction diuresis

A

uraemia
oedema
CCF
hypertension

11
Q

monitoring for post-obstruction diuresis

A

monitor fluid balance

beware if UO >200ml/hr

12
Q

when does post-obstruction diuresis usually resolve?

A

24-48 hours

13
Q

severe cases of post-obstruction diuresis management?

A

fluid

sodium