bladder Flashcards
when are hyaline casts in urine seen
normal, exercise, fever, loop diuretics
when are brown casts seen in urine
tubular necrosis
when is bland urinary sediment seen
prerenal uraemia
when are red cell casts seen
nephritic syndrome
causes transient non-visible haematuria
UTI, period, sex, exercise
causes persistent non-visible haematuria
cancer, stones, BPH, prostatitis, chlamydia, renal (eg IgA, basement disease)
how is persistent non-visible haematuria defines
blood in 2/3 samples 2-3 weeks apart
urgent referral criteria haematuria (2 weeks)
45 AND unexplained visible haematuria // 45 AND visible haematuria that persists after UTI // 60 AND unexplained non-visible haematuria AND dysuria or raised WCC
non-urgent cancer referral
60 years with recurrent or persistent unexplained urinary tract infection
what patients with haematuria can be managed in primary care
<40, non-visible, normal RFT, no protein, normotensive
most common causes polyuria
diuretics, coffee, alcohol, diabetes, lithium, HF
who gets AUR
men >60
biggest causes AUR
BPH
other causes AUR
obstruction eg stricture, calculi, constipation // meds // neuro eg trauma
meds that can cause AUR
anticholinergics eg antihistamines, TCAs // opioids // benzos
symptoms + signs AUR
can’t pass urine // lower abdo pain // confused // palbable bladder // abdo tenderness
inital + defitnitive invx AUR
urinalysis, U+Es, FBC // USS >300 = diagnostic
mx AUR
catheter
what volume of fluid drained from a catheter in suspected AUR would confirm diagnosis
if volume >400 leave in place // if <200 not AUR
complications of AUR mx
post-obstructive diuresis (maybe give IV fluids)
symptoms chronic urinary retention
painless and insidious onset