Bladder Problems Flashcards
causes of bladder obstruction
BPH urethral stricture cancer stones extrinsic drugs
drugs that cause bladder obstruction?
anticholinergics
nasal decongestants
presentation of bladder obstruction
frequency? hesitancy? poor flow incomplete emptying dribbling
diagnosis of bladder obstruction
IPSS (questionnaire to assess symptoms)
FVC
urinalysis
FVC result in obstruction
Qmax <10mls/s is likely to be an obstruction
normal is >15
management of bladder obstruction/ incontinence options
alpha blockers 5-alpha reductase inhibitors anticholinergics beta agonists transurethral resection of prostate holmium laser enucleation
alpha blockers in bladder obstruction
tamsulosin acts on smooth muscle
what do 5-alpha reductase inhibitors do?
inhibits testoterone to DHT (BPH)
what do anticholinergics and beta agonists do to the bladder?
inhibit contraction
what is acute urinary retention?
it is an emergency with inability to urinate causing increasing pain
most common cause of acute urinary retention?
complication of BPH
triggers of acute urinary retention
surgery
catheterisation
anaesthesia
medications
management of acute urinary retention
catheter or TWOC
alpha blockers before TWOC
when can a TWOC be used in acute urinary retention?
if <1L and normal electrolytes
complication of acute urinary retention
post-obstruction diuresis
