Urinary Retention Flashcards
1
Q
Acute retention presentation:
A
- Painful
- Bladder volume 500 - 800 mls
2
Q
Chronic retention presentation:
A
- Painless
- Bladder volume > 800 mls
3
Q
Initial Mx:
A
- Bladder scan
- Catheter - 16 Fr for males, 14 Fr for females
- Post catheter bladder scan
4
Q
Initial investigations:
A
- Bloods - FBC, U & E, PSA
- Urine - dip, MCS
- Imaging - CT KUB
5
Q
Further Mx:
A
- D/W Reg - admit vs D/C
- +/- Alpha blocker
- TWOC referral
- +/- ABx
6
Q
NO TWOC if:
A
- High pressure chronic retention
- Impaired kidney Fx
- B/L hydronephrosis
7
Q
What is post obstructive diuresis?
A
- Diuresis > 200 mls/hr for > 2 hrs
8
Q
How to Mx post obstructive diuresis?
A
- Replace 50% of U-O
U-O = 300 mls/hr
IVF = 150 mls/hr